[PATCH] ia64: allow module core code calls to module init code again

Drop the prohibition for module core code calls to module init code
(this breaks netfilter).

Signed-off-by: <tony.luck@intel.com>
Signed-off-by: David Mosberger <davidm@hpl.hp.com>

arch/ia64/kernel/module.c

@@ -656,26 +656,18 @@ do_reloc (struct module *mod, uint8_t r_type, Elf64_Sym *sym, uint64_t addend,
 	      case RV_PCREL:
 		switch (r_type) {
 		      case R_IA64_PCREL21B:
-			if (in_init(mod, val)) {
-				/* Calls to init code from core are bad news */
-				if (in_core(mod, (uint64_t)location)) {
-					printk(KERN_ERR "%s: init symbol 0x%lx used in module code at %p\n",
-						mod->name, val, location);
-					return -ENOEXEC;
-				}
-			} else if (in_core(mod, val)) {
+			if ((in_init(mod, val) && in_core(mod, (uint64_t)location)) ||
+			    (in_core(mod, val) && in_init(mod, (uint64_t)location))) {
 				/*
 				 * Init section may have been allocated far away from core,
 				 * if the branch won't reach, then allocate a plt for it.
 				 */
-				if (in_init(mod, (uint64_t)location)) {
-					uint64_t delta = ((int64_t)val - (int64_t)location) / 16;
-					if (delta + (1 << 20) >= (1 << 21)) {
-						val = get_fdesc(mod, val, &ok);
-						val = get_plt(mod, location, val, &ok);
-					}
+				uint64_t delta = ((int64_t)val - (int64_t)location) / 16;
+				if (delta + (1 << 20) >= (1 << 21)) {
+					val = get_fdesc(mod, val, &ok);
+					val = get_plt(mod, location, val, &ok);
 				}
-			} else
+			} else if (!is_internal(mod, val))
 				val = get_plt(mod, location, val, &ok);
 			/* FALL THROUGH */
 		      default: