Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull more SCSI updates from James Bottomley:
 "A few late arriving patches that missed the initial pull request. It's
  mostly bug fixes (the dt-bindings is a fix for the initial pull)"

* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
  scsi: ufs: core: Remove unused function declaration
  scsi: target: docs: Remove tcm_mod_builder.py
  scsi: target: iblock: Quiet bool conversion warning with pr_preempt use
  scsi: dt-bindings: ufs: qcom: Fix ICE phandle
  scsi: core: Simplify scsi_cdl_check_cmd()
  scsi: isci: Fix comment typo
  scsi: smartpqi: Replace one-element arrays with flexible-array members
  scsi: target: tcmu: Replace strlcpy() with strscpy()
  scsi: ncr53c8xx: Replace strlcpy() with strscpy()
  scsi: lpfc: Fix lpfc_name struct packing

Documentation/devicetree/bindings/ufs/qcom,ufs.yaml

@@ -194,9 +194,8 @@ allOf:
     # TODO: define clock bindings for qcom,msm8994-ufshc
 
   - if:
-      properties:
-        qcom,ice:
-          maxItems: 1
+      required:
+        - qcom,ice
     then:
       properties:
         reg:
@@ -207,10 +206,10 @@ allOf:
     else:
       properties:
         reg:
-          minItems: 2
+          minItems: 1
           maxItems: 2
         clocks:
-          minItems: 9
+          minItems: 8
           maxItems: 11
 
 unevaluatedProperties: false

Documentation/target/scripts.rst

-TCM mod builder script
-----------------------
-
-.. literalinclude:: tcm_mod_builder.py
-    :language: perl
-
 Target export device script
 ---------------------------
 

Documentation/target/tcm_mod_builder.py

-#!/usr/bin/env python
-# The TCM v4 multi-protocol fabric module generation script for drivers/target/$NEW_MOD
-#
-# Copyright (c) 2010 Rising Tide Systems
-# Copyright (c) 2010 Linux-iSCSI.org
-#
-# Author: nab@kernel.org
-#
-import os, sys
-import subprocess as sub
-import string
-import re
-import optparse
-
-tcm_dir = ""
-
-fabric_ops = []
-fabric_mod_dir = ""
-fabric_mod_port = ""
-fabric_mod_init_port = ""
-
-def tcm_mod_err(msg):
-	print msg
-	sys.exit(1)
-
-def tcm_mod_create_module_subdir(fabric_mod_dir_var):
-
-	if os.path.isdir(fabric_mod_dir_var) == True:
-		return 1
-
-	print "Creating fabric_mod_dir: " + fabric_mod_dir_var
-	ret = os.mkdir(fabric_mod_dir_var)
-	if ret:
-		tcm_mod_err("Unable to mkdir " + fabric_mod_dir_var)
-
-	return
-
-def tcm_mod_build_FC_include(fabric_mod_dir_var, fabric_mod_name):
-	global fabric_mod_port
-	global fabric_mod_init_port
-	buf = ""
-
-	f = fabric_mod_dir_var + "/" + fabric_mod_name + "_base.h"
-	print "Writing file: " + f
-
-	p = open(f, 'w');
-	if not p:
-		tcm_mod_err("Unable to open file: " + f)
-
-	buf = "#define " + fabric_mod_name.upper() + "_VERSION	\"v0.1\"\n"
-	buf += "#define " + fabric_mod_name.upper() + "_NAMELEN	32\n"
-	buf += "\n"
-	buf += "struct " + fabric_mod_name + "_tpg {\n"
-	buf += "	/* FC lport target portal group tag for TCM */\n"
-	buf += "	u16 lport_tpgt;\n"
-	buf += "	/* Pointer back to " + fabric_mod_name + "_lport */\n"
-	buf += "	struct " + fabric_mod_name + "_lport *lport;\n"
-	buf += "	/* Returned by " + fabric_mod_name + "_make_tpg() */\n"
-	buf += "	struct se_portal_group se_tpg;\n"
-	buf += "};\n"
-	buf += "\n"
-	buf += "struct " + fabric_mod_name + "_lport {\n"
-	buf += "	/* Binary World Wide unique Port Name for FC Target Lport */\n"
-	buf += "	u64 lport_wwpn;\n"
-	buf += "	/* ASCII formatted WWPN for FC Target Lport */\n"
-	buf += "	char lport_name[" + fabric_mod_name.upper() + "_NAMELEN];\n"
-	buf += "	/* Returned by " + fabric_mod_name + "_make_lport() */\n"
-	buf += "	struct se_wwn lport_wwn;\n"
-	buf += "};\n"
-
-	ret = p.write(buf)
-	if ret:
-		tcm_mod_err("Unable to write f: " + f)
-
-	p.close()
-
-	fabric_mod_port = "lport"
-	fabric_mod_init_port = "nport"
-
-	return
-
-def tcm_mod_build_SAS_include(fabric_mod_dir_var, fabric_mod_name):
-	global fabric_mod_port
-	global fabric_mod_init_port
-	buf = ""
-
-	f = fabric_mod_dir_var + "/" + fabric_mod_name + "_base.h"
-	print "Writing file: " + f
-
-	p = open(f, 'w');
-	if not p:
-		tcm_mod_err("Unable to open file: " + f)
-
-	buf = "#define " + fabric_mod_name.upper() + "_VERSION  \"v0.1\"\n"
-	buf += "#define " + fabric_mod_name.upper() + "_NAMELEN 32\n"
-	buf += "\n"
-	buf += "struct " + fabric_mod_name + "_tpg {\n"
-	buf += "	/* SAS port target portal group tag for TCM */\n"
-	buf += "	u16 tport_tpgt;\n"
-	buf += "	/* Pointer back to " + fabric_mod_name + "_tport */\n"
-	buf += "	struct " + fabric_mod_name + "_tport *tport;\n"
-	buf += "	/* Returned by " + fabric_mod_name + "_make_tpg() */\n"
-	buf += "	struct se_portal_group se_tpg;\n"
-	buf += "};\n\n"
-	buf += "struct " + fabric_mod_name + "_tport {\n"
-	buf += "	/* Binary World Wide unique Port Name for SAS Target port */\n"
-	buf += "	u64 tport_wwpn;\n"
-	buf += "	/* ASCII formatted WWPN for SAS Target port */\n"
-	buf += "	char tport_name[" + fabric_mod_name.upper() + "_NAMELEN];\n"
-	buf += "	/* Returned by " + fabric_mod_name + "_make_tport() */\n"
-	buf += "	struct se_wwn tport_wwn;\n"
-	buf += "};\n"
-
-	ret = p.write(buf)
-	if ret:
-		tcm_mod_err("Unable to write f: " + f)
-
-	p.close()
-
-	fabric_mod_port = "tport"
-	fabric_mod_init_port = "iport"
-
-	return
-
-def tcm_mod_build_iSCSI_include(fabric_mod_dir_var, fabric_mod_name):
-	global fabric_mod_port
-	global fabric_mod_init_port
-	buf = ""
-
-	f = fabric_mod_dir_var + "/" + fabric_mod_name + "_base.h"
-	print "Writing file: " + f
-
-	p = open(f, 'w');
-	if not p:
-		tcm_mod_err("Unable to open file: " + f)
-
-	buf = "#define " + fabric_mod_name.upper() + "_VERSION  \"v0.1\"\n"
-	buf += "#define " + fabric_mod_name.upper() + "_NAMELEN 32\n"
-	buf += "\n"
-	buf += "struct " + fabric_mod_name + "_tpg {\n"
-	buf += "	/* iSCSI target portal group tag for TCM */\n"
-	buf += "	u16 tport_tpgt;\n"
-	buf += "	/* Pointer back to " + fabric_mod_name + "_tport */\n"
-	buf += "	struct " + fabric_mod_name + "_tport *tport;\n"
-	buf += "	/* Returned by " + fabric_mod_name + "_make_tpg() */\n"
-	buf += "	struct se_portal_group se_tpg;\n"
-	buf += "};\n\n"
-	buf += "struct " + fabric_mod_name + "_tport {\n"
-	buf += "	/* ASCII formatted TargetName for IQN */\n"
-	buf += "	char tport_name[" + fabric_mod_name.upper() + "_NAMELEN];\n"
-	buf += "	/* Returned by " + fabric_mod_name + "_make_tport() */\n"
-	buf += "	struct se_wwn tport_wwn;\n"
-	buf += "};\n"
-
-	ret = p.write(buf)
-	if ret:
-		tcm_mod_err("Unable to write f: " + f)
-
-	p.close()
-
-	fabric_mod_port = "tport"
-	fabric_mod_init_port = "iport"
-
-	return
-
-def tcm_mod_build_base_includes(proto_ident, fabric_mod_dir_val, fabric_mod_name):
-
-	if proto_ident == "FC":
-		tcm_mod_build_FC_include(fabric_mod_dir_val, fabric_mod_name)
-	elif proto_ident == "SAS":
-		tcm_mod_build_SAS_include(fabric_mod_dir_val, fabric_mod_name)
-	elif proto_ident == "iSCSI":
-		tcm_mod_build_iSCSI_include(fabric_mod_dir_val, fabric_mod_name)
-	else:
-		print "Unsupported proto_ident: " + proto_ident
-		sys.exit(1)
-
-	return
-
-def tcm_mod_build_configfs(proto_ident, fabric_mod_dir_var, fabric_mod_name):
-	buf = ""
-
-	f = fabric_mod_dir_var + "/" + fabric_mod_name + "_configfs.c"
-	print "Writing file: " + f
-
-        p = open(f, 'w');
-        if not p:
-                tcm_mod_err("Unable to open file: " + f)
-
-	buf = "#include <linux/module.h>\n"
-	buf += "#include <linux/moduleparam.h>\n"
-	buf += "#include <linux/version.h>\n"
-	buf += "#include <generated/utsrelease.h>\n"
-	buf += "#include <linux/utsname.h>\n"
-	buf += "#include <linux/init.h>\n"
-	buf += "#include <linux/slab.h>\n"
-	buf += "#include <linux/kthread.h>\n"
-	buf += "#include <linux/types.h>\n"
-	buf += "#include <linux/string.h>\n"
-	buf += "#include <linux/configfs.h>\n"
-	buf += "#include <linux/ctype.h>\n"
-	buf += "#include <asm/unaligned.h>\n"
-	buf += "#include <scsi/scsi_proto.h>\n\n"
-	buf += "#include <target/target_core_base.h>\n"
-	buf += "#include <target/target_core_fabric.h>\n"
-	buf += "#include \"" + fabric_mod_name + "_base.h\"\n"
-	buf += "#include \"" + fabric_mod_name + "_fabric.h\"\n\n"
-
-	buf += "static const struct target_core_fabric_ops " + fabric_mod_name + "_ops;\n\n"
-
-	buf += "static struct se_portal_group *" + fabric_mod_name + "_make_tpg(\n"
-	buf += "	struct se_wwn *wwn,\n"
-	buf += "	struct config_group *group,\n"
-	buf += "	const char *name)\n"
-	buf += "{\n"
-	buf += "	struct " + fabric_mod_name + "_" + fabric_mod_port + "*" + fabric_mod_port + " = container_of(wwn,\n"
-	buf += "			struct " + fabric_mod_name + "_" + fabric_mod_port + ", " + fabric_mod_port + "_wwn);\n\n"
-	buf += "	struct " + fabric_mod_name + "_tpg *tpg;\n"
-	buf += "	unsigned long tpgt;\n"
-	buf += "	int ret;\n\n"
-	buf += "	if (strstr(name, \"tpgt_\") != name)\n"
-	buf += "		return ERR_PTR(-EINVAL);\n"
-	buf += "	if (kstrtoul(name + 5, 10, &tpgt) || tpgt > UINT_MAX)\n"
-	buf += "		return ERR_PTR(-EINVAL);\n\n"
-	buf += "	tpg = kzalloc(sizeof(struct " + fabric_mod_name + "_tpg), GFP_KERNEL);\n"
-	buf += "	if (!tpg) {\n"
-	buf += "		printk(KERN_ERR \"Unable to allocate struct " + fabric_mod_name + "_tpg\");\n"
-	buf += "		return ERR_PTR(-ENOMEM);\n"
-	buf += "	}\n"
-	buf += "	tpg->" + fabric_mod_port + " = " + fabric_mod_port + ";\n"
-	buf += "	tpg->" + fabric_mod_port + "_tpgt = tpgt;\n\n"
-
-	if proto_ident == "FC":
-		buf += "	ret = core_tpg_register(wwn, &tpg->se_tpg, SCSI_PROTOCOL_FCP);\n"
-	elif proto_ident == "SAS":
-		buf += "	ret = core_tpg_register(wwn, &tpg->se_tpg, SCSI_PROTOCOL_SAS);\n"
-	elif proto_ident == "iSCSI":
-		buf += "	ret = core_tpg_register(wwn, &tpg->se_tpg, SCSI_PROTOCOL_ISCSI);\n"
-
-	buf += "	if (ret < 0) {\n"
-	buf += "		kfree(tpg);\n"
-	buf += "		return NULL;\n"
-	buf += "	}\n"
-	buf += "	return &tpg->se_tpg;\n"
-	buf += "}\n\n"
-	buf += "static void " + fabric_mod_name + "_drop_tpg(struct se_portal_group *se_tpg)\n"
-	buf += "{\n"
-	buf += "	struct " + fabric_mod_name + "_tpg *tpg = container_of(se_tpg,\n"
-	buf += "				struct " + fabric_mod_name + "_tpg, se_tpg);\n\n"
-	buf += "	core_tpg_deregister(se_tpg);\n"
-	buf += "	kfree(tpg);\n"
-	buf += "}\n\n"
-
-	buf += "static struct se_wwn *" + fabric_mod_name + "_make_" + fabric_mod_port + "(\n"
-	buf += "	struct target_fabric_configfs *tf,\n"
-	buf += "	struct config_group *group,\n"
-	buf += "	const char *name)\n"
-	buf += "{\n"
-	buf += "	struct " + fabric_mod_name + "_" + fabric_mod_port + " *" + fabric_mod_port + ";\n"
-
-	if proto_ident == "FC" or proto_ident == "SAS":
-		buf += "	u64 wwpn = 0;\n\n"
-
-	buf += "	/* if (" + fabric_mod_name + "_parse_wwn(name, &wwpn, 1) < 0)\n"
-	buf += "		return ERR_PTR(-EINVAL); */\n\n"
-	buf += "	" + fabric_mod_port + " = kzalloc(sizeof(struct " + fabric_mod_name + "_" + fabric_mod_port + "), GFP_KERNEL);\n"
-	buf += "	if (!" + fabric_mod_port + ") {\n"
-	buf += "		printk(KERN_ERR \"Unable to allocate struct " + fabric_mod_name + "_" + fabric_mod_port + "\");\n"
-	buf += "		return ERR_PTR(-ENOMEM);\n"
-	buf += "	}\n"
-
-	if proto_ident == "FC" or proto_ident == "SAS":
-		buf += "	" + fabric_mod_port + "->" + fabric_mod_port + "_wwpn = wwpn;\n"
-
-	buf += "	/* " + fabric_mod_name + "_format_wwn(&" + fabric_mod_port + "->" + fabric_mod_port + "_name[0], " + fabric_mod_name.upper() + "_NAMELEN, wwpn); */\n\n"
-	buf += "	return &" + fabric_mod_port + "->" + fabric_mod_port + "_wwn;\n"
-	buf += "}\n\n"
-	buf += "static void " + fabric_mod_name + "_drop_" + fabric_mod_port + "(struct se_wwn *wwn)\n"
-	buf += "{\n"
-	buf += "	struct " + fabric_mod_name + "_" + fabric_mod_port + " *" + fabric_mod_port + " = container_of(wwn,\n"
-	buf += "				struct " + fabric_mod_name + "_" + fabric_mod_port + ", " + fabric_mod_port + "_wwn);\n"
-	buf += "	kfree(" + fabric_mod_port + ");\n"
-	buf += "}\n\n"
-
-	buf += "static const struct target_core_fabric_ops " + fabric_mod_name + "_ops = {\n"
-	buf += "	.module				= THIS_MODULE,\n"
-	buf += "	.name				= \"" + fabric_mod_name + "\",\n"
-	buf += "	.get_fabric_name		= " + fabric_mod_name + "_get_fabric_name,\n"
-	buf += "	.tpg_get_wwn			= " + fabric_mod_name + "_get_fabric_wwn,\n"
-	buf += "	.tpg_get_tag			= " + fabric_mod_name + "_get_tag,\n"
-	buf += "	.tpg_check_demo_mode		= " + fabric_mod_name + "_check_false,\n"
-	buf += "	.tpg_check_demo_mode_cache	= " + fabric_mod_name + "_check_true,\n"
-	buf += "	.tpg_check_demo_mode_write_protect = " + fabric_mod_name + "_check_true,\n"
-	buf += "	.tpg_check_prod_mode_write_protect = " + fabric_mod_name + "_check_false,\n"
-	buf += "	.tpg_get_inst_index		= " + fabric_mod_name + "_tpg_get_inst_index,\n"
-	buf += "	.release_cmd			= " + fabric_mod_name + "_release_cmd,\n"
-	buf += "	.sess_get_index			= " + fabric_mod_name + "_sess_get_index,\n"
-	buf += "	.sess_get_initiator_sid		= NULL,\n"
-	buf += "	.write_pending			= " + fabric_mod_name + "_write_pending,\n"
-	buf += "	.set_default_node_attributes	= " + fabric_mod_name + "_set_default_node_attrs,\n"
-	buf += "	.get_cmd_state			= " + fabric_mod_name + "_get_cmd_state,\n"
-	buf += "	.queue_data_in			= " + fabric_mod_name + "_queue_data_in,\n"
-	buf += "	.queue_status			= " + fabric_mod_name + "_queue_status,\n"
-	buf += "	.queue_tm_rsp			= " + fabric_mod_name + "_queue_tm_rsp,\n"
-	buf += "	.aborted_task			= " + fabric_mod_name + "_aborted_task,\n"
-	buf += "	/*\n"
-	buf += "	 * Setup function pointers for generic logic in target_core_fabric_configfs.c\n"
-	buf += "	 */\n"
-	buf += "	.fabric_make_wwn		= " + fabric_mod_name + "_make_" + fabric_mod_port + ",\n"
-	buf += "	.fabric_drop_wwn		= " + fabric_mod_name + "_drop_" + fabric_mod_port + ",\n"
-	buf += "	.fabric_make_tpg		= " + fabric_mod_name + "_make_tpg,\n"
-	buf += "	.fabric_drop_tpg		= " + fabric_mod_name + "_drop_tpg,\n"
-	buf += "};\n\n"
-
-	buf += "static int __init " + fabric_mod_name + "_init(void)\n"
-	buf += "{\n"
-	buf += "	return target_register_template(&" + fabric_mod_name + "_ops);\n"
-	buf += "};\n\n"
-
-	buf += "static void __exit " + fabric_mod_name + "_exit(void)\n"
-	buf += "{\n"
-	buf += "	target_unregister_template(&" + fabric_mod_name + "_ops);\n"
-	buf += "};\n\n"
-
-	buf += "MODULE_DESCRIPTION(\"" + fabric_mod_name.upper() + " series fabric driver\");\n"
-	buf += "MODULE_LICENSE(\"GPL\");\n"
-	buf += "module_init(" + fabric_mod_name + "_init);\n"
-	buf += "module_exit(" + fabric_mod_name + "_exit);\n"
-
-	ret = p.write(buf)
-	if ret:
-		tcm_mod_err("Unable to write f: " + f)
-
-	p.close()
-
-	return
-
-def tcm_mod_scan_fabric_ops(tcm_dir):
-
-	fabric_ops_api = tcm_dir + "include/target/target_core_fabric.h"
-
-	print "Using tcm_mod_scan_fabric_ops: " + fabric_ops_api
-	process_fo = 0;
-
-	p = open(fabric_ops_api, 'r')
-
-	line = p.readline()
-	while line:
-		if process_fo == 0 and re.search('struct target_core_fabric_ops {', line):
-			line = p.readline()
-			continue
-
-		if process_fo == 0:
-			process_fo = 1;
-			line = p.readline()
-			# Search for function pointer
-			if not re.search('\(\*', line):
-				continue
-
-			fabric_ops.append(line.rstrip())
-			continue
-
-		line = p.readline()
-		# Search for function pointer
-		if not re.search('\(\*', line):
-			continue
-
-		fabric_ops.append(line.rstrip())
-
-	p.close()
-	return
-
-def tcm_mod_dump_fabric_ops(proto_ident, fabric_mod_dir_var, fabric_mod_name):
-	buf = ""
-	bufi = ""
-
-	f = fabric_mod_dir_var + "/" + fabric_mod_name + "_fabric.c"
-	print "Writing file: " + f
-
-	p = open(f, 'w')
-	if not p:
-		tcm_mod_err("Unable to open file: " + f)
-
-	fi = fabric_mod_dir_var + "/" + fabric_mod_name + "_fabric.h"
-	print "Writing file: " + fi
-
-	pi = open(fi, 'w')
-	if not pi:
-		tcm_mod_err("Unable to open file: " + fi)
-
-	buf = "#include <linux/slab.h>\n"
-	buf += "#include <linux/kthread.h>\n"
-	buf += "#include <linux/types.h>\n"
-	buf += "#include <linux/list.h>\n"
-	buf += "#include <linux/types.h>\n"
-	buf += "#include <linux/string.h>\n"
-	buf += "#include <linux/ctype.h>\n"
-	buf += "#include <asm/unaligned.h>\n"
-	buf += "#include <scsi/scsi_common.h>\n"
-	buf += "#include <scsi/scsi_proto.h>\n"
-	buf += "#include <target/target_core_base.h>\n"
-	buf += "#include <target/target_core_fabric.h>\n"
-	buf += "#include \"" + fabric_mod_name + "_base.h\"\n"
-	buf += "#include \"" + fabric_mod_name + "_fabric.h\"\n\n"
-
-	buf += "int " + fabric_mod_name + "_check_true(struct se_portal_group *se_tpg)\n"
-	buf += "{\n"
-	buf += "	return 1;\n"
-	buf += "}\n\n"
-	bufi += "int " + fabric_mod_name + "_check_true(struct se_portal_group *);\n"
-
-	buf += "int " + fabric_mod_name + "_check_false(struct se_portal_group *se_tpg)\n"
-	buf += "{\n"
-	buf += "	return 0;\n"
-	buf += "}\n\n"
-	bufi += "int " + fabric_mod_name + "_check_false(struct se_portal_group *);\n"
-
-	total_fabric_ops = len(fabric_ops)
-	i = 0
-
-	while i < total_fabric_ops:
-		fo = fabric_ops[i]
-		i += 1
-#		print "fabric_ops: " + fo
-
-		if re.search('get_fabric_name', fo):
-			buf += "char *" + fabric_mod_name + "_get_fabric_name(void)\n"
-			buf += "{\n"
-			buf += "	return \"" + fabric_mod_name + "\";\n"
-			buf += "}\n\n"
-			bufi += "char *" + fabric_mod_name + "_get_fabric_name(void);\n"
-			continue
-
-		if re.search('get_wwn', fo):
-			buf += "char *" + fabric_mod_name + "_get_fabric_wwn(struct se_portal_group *se_tpg)\n"
-			buf += "{\n"
-			buf += "	struct " + fabric_mod_name + "_tpg *tpg = container_of(se_tpg,\n"
-			buf += "				struct " + fabric_mod_name + "_tpg, se_tpg);\n"
-			buf += "	struct " + fabric_mod_name + "_" + fabric_mod_port + " *" + fabric_mod_port + " = tpg->" + fabric_mod_port + ";\n\n"
-			buf += "	return &" + fabric_mod_port + "->" + fabric_mod_port + "_name[0];\n"
-			buf += "}\n\n"
-			bufi += "char *" + fabric_mod_name + "_get_fabric_wwn(struct se_portal_group *);\n"
-
-		if re.search('get_tag', fo):
-			buf += "u16 " + fabric_mod_name + "_get_tag(struct se_portal_group *se_tpg)\n"
-			buf += "{\n"
-			buf += "	struct " + fabric_mod_name + "_tpg *tpg = container_of(se_tpg,\n"
-			buf += "				struct " + fabric_mod_name + "_tpg, se_tpg);\n"
-			buf += "	return tpg->" + fabric_mod_port + "_tpgt;\n"
-			buf += "}\n\n"
-			bufi += "u16 " + fabric_mod_name + "_get_tag(struct se_portal_group *);\n"
-
-		if re.search('tpg_get_inst_index\)\(', fo):
-			buf += "u32 " + fabric_mod_name + "_tpg_get_inst_index(struct se_portal_group *se_tpg)\n"
-			buf += "{\n"
-			buf += "	return 1;\n"
-			buf += "}\n\n"
-			bufi += "u32 " + fabric_mod_name + "_tpg_get_inst_index(struct se_portal_group *);\n"
-
-		if re.search('\*release_cmd\)\(', fo):
-			buf += "void " + fabric_mod_name + "_release_cmd(struct se_cmd *se_cmd)\n"
-			buf += "{\n"
-			buf += "	return;\n"
-			buf += "}\n\n"
-			bufi += "void " + fabric_mod_name + "_release_cmd(struct se_cmd *);\n"
-
-		if re.search('sess_get_index\)\(', fo):
-			buf += "u32 " + fabric_mod_name + "_sess_get_index(struct se_session *se_sess)\n"
-			buf += "{\n"
-			buf += "	return 0;\n"
-			buf += "}\n\n"
-			bufi += "u32 " + fabric_mod_name + "_sess_get_index(struct se_session *);\n"
-
-		if re.search('write_pending\)\(', fo):
-			buf += "int " + fabric_mod_name + "_write_pending(struct se_cmd *se_cmd)\n"
-			buf += "{\n"
-			buf += "	return 0;\n"
-			buf += "}\n\n"
-			bufi += "int " + fabric_mod_name + "_write_pending(struct se_cmd *);\n"
-
-		if re.search('set_default_node_attributes\)\(', fo):
-			buf += "void " + fabric_mod_name + "_set_default_node_attrs(struct se_node_acl *nacl)\n"
-			buf += "{\n"
-			buf += "	return;\n"
-			buf += "}\n\n"
-			bufi += "void " + fabric_mod_name + "_set_default_node_attrs(struct se_node_acl *);\n"
-
-		if re.search('get_cmd_state\)\(', fo):
-			buf += "int " + fabric_mod_name + "_get_cmd_state(struct se_cmd *se_cmd)\n"
-			buf += "{\n"
-			buf += "	return 0;\n"
-			buf += "}\n\n"
-			bufi += "int " + fabric_mod_name + "_get_cmd_state(struct se_cmd *);\n"
-
-		if re.search('queue_data_in\)\(', fo):
-			buf += "int " + fabric_mod_name + "_queue_data_in(struct se_cmd *se_cmd)\n"
-			buf += "{\n"
-			buf += "	return 0;\n"
-			buf += "}\n\n"
-			bufi += "int " + fabric_mod_name + "_queue_data_in(struct se_cmd *);\n"
-
-		if re.search('queue_status\)\(', fo):
-			buf += "int " + fabric_mod_name + "_queue_status(struct se_cmd *se_cmd)\n"
-			buf += "{\n"
-			buf += "	return 0;\n"
-			buf += "}\n\n"
-			bufi += "int " + fabric_mod_name + "_queue_status(struct se_cmd *);\n"
-
-		if re.search('queue_tm_rsp\)\(', fo):
-			buf += "void " + fabric_mod_name + "_queue_tm_rsp(struct se_cmd *se_cmd)\n"
-			buf += "{\n"
-			buf += "	return;\n"
-			buf += "}\n\n"
-			bufi += "void " + fabric_mod_name + "_queue_tm_rsp(struct se_cmd *);\n"
-
-		if re.search('aborted_task\)\(', fo):
-			buf += "void " + fabric_mod_name + "_aborted_task(struct se_cmd *se_cmd)\n"
-			buf += "{\n"
-			buf += "	return;\n"
-			buf += "}\n\n"
-			bufi += "void " + fabric_mod_name + "_aborted_task(struct se_cmd *);\n"
-
-	ret = p.write(buf)
-	if ret:
-		tcm_mod_err("Unable to write f: " + f)
-
-	p.close()
-
-	ret = pi.write(bufi)
-	if ret:
-		tcm_mod_err("Unable to write fi: " + fi)
-
-	pi.close()
-	return
-
-def tcm_mod_build_kbuild(fabric_mod_dir_var, fabric_mod_name):
-
-	buf = ""
-	f = fabric_mod_dir_var + "/Makefile"
-	print "Writing file: " + f
-
-	p = open(f, 'w')
-	if not p:
-		tcm_mod_err("Unable to open file: " + f)
-
-	buf += fabric_mod_name + "-objs			:= " + fabric_mod_name + "_fabric.o \\\n"
-	buf += "					   " + fabric_mod_name + "_configfs.o\n"
-	buf += "obj-$(CONFIG_" + fabric_mod_name.upper() + ")		+= " + fabric_mod_name + ".o\n"
-
-	ret = p.write(buf)
-	if ret:
-		tcm_mod_err("Unable to write f: " + f)
-
-	p.close()
-	return
-
-def tcm_mod_build_kconfig(fabric_mod_dir_var, fabric_mod_name):
-
-	buf = ""
-	f = fabric_mod_dir_var + "/Kconfig"
-	print "Writing file: " + f
-
-	p = open(f, 'w')
-	if not p:
-		tcm_mod_err("Unable to open file: " + f)
-
-	buf = "config " + fabric_mod_name.upper() + "\n"
-	buf += "	tristate \"" + fabric_mod_name.upper() + " fabric module\"\n"
-	buf += "	depends on TARGET_CORE && CONFIGFS_FS\n"
-	buf += "	default n\n"
-	buf += "	help\n"
-	buf += "	  Say Y here to enable the " + fabric_mod_name.upper() + " fabric module\n"
-
-	ret = p.write(buf)
-	if ret:
-		tcm_mod_err("Unable to write f: " + f)
-
-	p.close()
-	return
-
-def tcm_mod_add_kbuild(tcm_dir, fabric_mod_name):
-	buf = "obj-$(CONFIG_" + fabric_mod_name.upper() + ")	+= " + fabric_mod_name.lower() + "/\n"
-	kbuild = tcm_dir + "/drivers/target/Makefile"
-
-	f = open(kbuild, 'a')
-	f.write(buf)
-	f.close()
-	return
-
-def tcm_mod_add_kconfig(tcm_dir, fabric_mod_name):
-	buf = "source \"drivers/target/" + fabric_mod_name.lower() + "/Kconfig\"\n"
-	kconfig = tcm_dir + "/drivers/target/Kconfig"
-
-	f = open(kconfig, 'a')
-	f.write(buf)
-	f.close()
-	return
-
-def main(modname, proto_ident):
-#	proto_ident = "FC"
-#	proto_ident = "SAS"
-#	proto_ident = "iSCSI"
-
-	tcm_dir = os.getcwd();
-	tcm_dir += "/../../"
-	print "tcm_dir: " + tcm_dir
-	fabric_mod_name = modname
-	fabric_mod_dir = tcm_dir + "drivers/target/" + fabric_mod_name
-	print "Set fabric_mod_name: " + fabric_mod_name
-	print "Set fabric_mod_dir: " + fabric_mod_dir
-	print "Using proto_ident: " + proto_ident
-
-	if proto_ident != "FC" and proto_ident != "SAS" and proto_ident != "iSCSI":
-		print "Unsupported proto_ident: " + proto_ident
-		sys.exit(1)
-
-	ret = tcm_mod_create_module_subdir(fabric_mod_dir)
-	if ret:
-		print "tcm_mod_create_module_subdir() failed because module already exists!"
-		sys.exit(1)
-
-	tcm_mod_build_base_includes(proto_ident, fabric_mod_dir, fabric_mod_name)
-	tcm_mod_scan_fabric_ops(tcm_dir)
-	tcm_mod_dump_fabric_ops(proto_ident, fabric_mod_dir, fabric_mod_name)
-	tcm_mod_build_configfs(proto_ident, fabric_mod_dir, fabric_mod_name)
-	tcm_mod_build_kbuild(fabric_mod_dir, fabric_mod_name)
-	tcm_mod_build_kconfig(fabric_mod_dir, fabric_mod_name)
-
-	input = raw_input("Would you like to add " + fabric_mod_name + " to drivers/target/Makefile..? [yes,no]: ")
-	if input == "yes" or input == "y":
-		tcm_mod_add_kbuild(tcm_dir, fabric_mod_name)
-
-	input = raw_input("Would you like to add " + fabric_mod_name + " to drivers/target/Kconfig..? [yes,no]: ")
-	if input == "yes" or input == "y":
-		tcm_mod_add_kconfig(tcm_dir, fabric_mod_name)
-
-	return
-
-parser = optparse.OptionParser()
-parser.add_option('-m', '--modulename', help='Module name', dest='modname',
-		action='store', nargs=1, type='string')
-parser.add_option('-p', '--protoident', help='Protocol Ident', dest='protoident',
-		action='store', nargs=1, type='string')
-
-(opts, args) = parser.parse_args()
-
-mandatories = ['modname', 'protoident']
-for m in mandatories:
-	if not opts.__dict__[m]:
-		print "mandatory option is missing\n"
-		parser.print_help()
-		exit(-1)
-
-if __name__ == "__main__":
-
-	main(str(opts.modname), opts.protoident)

drivers/scsi/isci/scu_task_context.h

@@ -845,7 +845,7 @@ struct scu_task_context {
 
 	/**
 	 * This field is used by the SCU TL to determine when to take a snapshot when
-	 * tranmitting read data frames.
+	 * transmitting read data frames.
 	 *    - 0x00 The entire IO
 	 *    - 0x01 32k
 	 *    - 0x02 64k

drivers/scsi/lpfc/lpfc_hw.h

@@ -365,7 +365,7 @@ struct lpfc_name {
 			uint8_t IEEE[6];	/* FC IEEE address */
 		} s;
 		uint8_t wwn[8];
-		uint64_t name;
+		uint64_t name __packed __aligned(4);
 	} u;
 };
 
@@ -850,7 +850,7 @@ typedef struct _ADISC {		/* Structure is in Big Endian format */
 	struct lpfc_name portName;
 	struct lpfc_name nodeName;
 	uint32_t DID;
-} __packed ADISC;
+} ADISC;
 
 typedef struct _FARP {		/* Structure is in Big Endian format */
 	uint32_t Mflags:8;
@@ -880,7 +880,7 @@ typedef struct _FAN {		/* Structure is in Big Endian format */
 	uint32_t Fdid;
 	struct lpfc_name FportName;
 	struct lpfc_name FnodeName;
-} __packed FAN;
+} FAN;
 
 typedef struct _SCR {		/* Structure is in Big Endian format */
 	uint8_t resvd1;
@@ -924,7 +924,7 @@ typedef struct _RNID {		/* Structure is in Big Endian format */
 	union {
 		RNID_TOP_DISC topologyDisc;	/* topology disc (0xdf) */
 	} un;
-} __packed RNID;
+} RNID;
 
 struct RLS {			/* Structure is in Big Endian format */
 	uint32_t rls;
@@ -1514,7 +1514,7 @@ struct lpfc_fdmi_hba_ident {
 struct lpfc_fdmi_reg_port_list {
 	__be32 EntryCnt;
 	struct lpfc_fdmi_port_entry pe;
-} __packed;
+};
 
 /*
  * Register HBA(RHBA)

drivers/scsi/ncr53c8xx.c

@@ -4555,7 +4555,7 @@ static void ncr_detach(struct ncb *np)
 	char inst_name[16];
 
 	/* Local copy so we don't access np after freeing it! */
-	strlcpy(inst_name, ncr_name(np), sizeof(inst_name));
+	strscpy(inst_name, ncr_name(np), sizeof(inst_name));
 
 	printk("%s: releasing host resources\n", ncr_name(np));
 

drivers/scsi/scsi.c

@@ -586,31 +586,22 @@ static bool scsi_cdl_check_cmd(struct scsi_device *sdev, u8 opcode, u16 sa,
 	if ((buf[1] & 0x03) != 0x03)
 		return false;
 
-	/* See SPC-6, one command format of REPORT SUPPORTED OPERATION CODES */
+	/*
+	 * See SPC-6, One_command parameter data format for
+	 * REPORT SUPPORTED OPERATION CODES. We have the following cases
+	 * depending on rwcdlp (buf[0] & 0x01) value:
+	 *  - rwcdlp == 0: then cdlp indicates support for the A mode page when
+	 *		   it is equal to 1 and for the B mode page when it is
+	 *		   equal to 2.
+	 *  - rwcdlp == 1: then cdlp indicates support for the T2A mode page
+	 *		   when it is equal to 1 and for the T2B mode page when
+	 *		   it is equal to 2.
+	 * Overall, to detect support for command duration limits, we only need
+	 * to check that cdlp is 1 or 2.
+	 */
 	cdlp = (buf[1] & 0x18) >> 3;
-	if (buf[0] & 0x01) {
-		/* rwcdlp == 1 */
-		switch (cdlp) {
-		case 0x01:
-			/* T2A page */
-			return true;
-		case 0x02:
-			/* T2B page */
-			return true;
-		}
-	} else {
-		/* rwcdlp == 0 */
-		switch (cdlp) {
-		case 0x01:
-			/* A page */
-			return true;
-		case 0x02:
-			/* B page */
-			return true;
-		}
-	}
 
-	return false;
+	return cdlp == 0x01 || cdlp == 0x02;
 }
 
 /**

drivers/scsi/smartpqi/smartpqi.h

@@ -982,12 +982,12 @@ struct report_phys_lun_16byte_wwid {
 
 struct report_phys_lun_8byte_wwid_list {
 	struct report_lun_header header;
-	struct report_phys_lun_8byte_wwid lun_entries[1];
+	struct report_phys_lun_8byte_wwid lun_entries[];
 };
 
 struct report_phys_lun_16byte_wwid_list {
 	struct report_lun_header header;
-	struct report_phys_lun_16byte_wwid lun_entries[1];
+	struct report_phys_lun_16byte_wwid lun_entries[];
 };
 
 struct raid_map_disk_data {

drivers/scsi/smartpqi/smartpqi_init.c

@@ -1203,7 +1203,6 @@ static inline int pqi_report_phys_luns(struct pqi_ctrl_info *ctrl_info, void **b
 	unsigned int i;
 	u8 rpl_response_format;
 	u32 num_physicals;
-	size_t rpl_16byte_wwid_list_length;
 	void *rpl_list;
 	struct report_lun_header *rpl_header;
 	struct report_phys_lun_8byte_wwid_list *rpl_8byte_wwid_list;
@@ -1232,9 +1231,9 @@ static inline int pqi_report_phys_luns(struct pqi_ctrl_info *ctrl_info, void **b
 
 	rpl_8byte_wwid_list = rpl_list;
 	num_physicals = get_unaligned_be32(&rpl_8byte_wwid_list->header.list_length) / sizeof(rpl_8byte_wwid_list->lun_entries[0]);
-	rpl_16byte_wwid_list_length = sizeof(struct report_lun_header) + (num_physicals * sizeof(struct report_phys_lun_16byte_wwid));
 
-	rpl_16byte_wwid_list = kmalloc(rpl_16byte_wwid_list_length, GFP_KERNEL);
+	rpl_16byte_wwid_list = kmalloc(struct_size(rpl_16byte_wwid_list, lun_entries,
+						   num_physicals), GFP_KERNEL);
 	if (!rpl_16byte_wwid_list)
 		return -ENOMEM;
 

drivers/target/target_core_iblock.c

@@ -888,7 +888,7 @@ static sense_reason_t iblock_execute_pr_out(struct se_cmd *cmd, u8 sa, u64 key,
 
 		ret = ops->pr_preempt(bdev, key, sa_key,
 				      scsi_pr_type_to_block(type),
-				      sa == PRO_PREEMPT ? false : true);
+				      sa == PRO_PREEMPT_AND_ABORT);
 		break;
 	case PRO_RELEASE:
 		if (!ops->pr_clear) {

drivers/target/target_core_user.c

@@ -2820,14 +2820,14 @@ static ssize_t tcmu_dev_config_store(struct config_item *item, const char *page,
 			pr_err("Unable to reconfigure device\n");
 			return ret;
 		}
-		strlcpy(udev->dev_config, page, TCMU_CONFIG_LEN);
+		strscpy(udev->dev_config, page, TCMU_CONFIG_LEN);
 
 		ret = tcmu_update_uio_info(udev);
 		if (ret)
 			return ret;
 		return count;
 	}
-	strlcpy(udev->dev_config, page, TCMU_CONFIG_LEN);
+	strscpy(udev->dev_config, page, TCMU_CONFIG_LEN);
 
 	return count;
 }

drivers/ufs/core/ufshcd-priv.h

@@ -68,7 +68,6 @@ int ufshcd_mcq_decide_queue_depth(struct ufs_hba *hba);
 int ufshcd_mcq_memory_alloc(struct ufs_hba *hba);
 void ufshcd_mcq_make_queues_operational(struct ufs_hba *hba);
 void ufshcd_mcq_config_mac(struct ufs_hba *hba, u32 max_active_cmds);
-void ufshcd_mcq_select_mcq_mode(struct ufs_hba *hba);
 u32 ufshcd_mcq_read_cqis(struct ufs_hba *hba, int i);
 void ufshcd_mcq_write_cqis(struct ufs_hba *hba, u32 val, int i);
 struct ufs_hw_queue *ufshcd_mcq_req_to_hwq(struct ufs_hba *hba,