Smatch reported the following warning:
drivers/staging/rtl8188eu/hal/HalPhyRf_8188e.c:1876 PHY_APCalibrate_8188E() info: ignoring unreachable code.

Once the unreachable code was removed, the entire routine was removed, which
led to the warning that phy_APCalibrate_8188E() was not used. It was also deleted
along with some unused defines.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

A misplaced _func_exit_ macro leads to the following smatch warning:
drivers/staging/rtl8188eu/core/rtw_wlan_util.c:1105 rtw_check_bcn_info() info: ignoring unreachable code.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Smatch reports the following warnings:
drivers/staging/rtl8188eu/hal/odm_HWConfig.c:302 odm_RxPhyStatus92CSeries_Parsing() error: buffer overflow 'pPhyInfo->RxPwr' 2 <= 2
drivers/staging/rtl8188eu/hal/odm_HWConfig.c:319 odm_RxPhyStatus92CSeries_Parsing() error: buffer overflow 'pPhyInfo->RxMIMOSignalStrength' 2 <= 2
drivers/staging/rtl8188eu/hal/odm_HWConfig.c:322 odm_RxPhyStatus92CSeries_Parsing() error: buffer overflow 'pPhyStaRpt->path_rxsnr' 2 <= 2
drivers/staging/rtl8188eu/hal/odm_HWConfig.c:322 odm_RxPhyStatus92CSeries_Parsing() error: buffer overflow 'pPhyInfo->RxSNR' 2 <= 2
drivers/staging/rtl8188eu/hal/odm_HWConfig.c:323 odm_RxPhyStatus92CSeries_Parsing() error: buffer overflow 'pPhyStaRpt->path_rxsnr' 2 <= 2
drivers/staging/rtl8188eu/hal/odm_HWConfig.c:323 odm_RxPhyStatus92CSeries_Parsing() error: buffer overflow 'dm_odm->PhyDbgInfo.RxSNRdB' 2 <= 2

These warnings are again due to the number of radio patchs being increased
to 3 without adjustments to the array sizes.

A duplicate and redundant definition was also removed.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Smatch reports the following:
drivers/staging/rtl8188eu/hal/rtl8188e_hal_init.c:1500 hal_EfusePgPacketWriteData() info: ignoring unreachable code.
drivers/staging/rtl8188eu/hal/rtl8188e_hal_init.c:2188 Hal_ReadTxPowerInfo88E() error: buffer overflow 'pHalData->Index24G_CCK_Base[rfPath]' 14 <= 14
drivers/staging/rtl8188eu/hal/rtl8188e_hal_init.c:2190 Hal_ReadTxPowerInfo88E() error: buffer overflow 'pHalData->Index24G_BW40_Base[rfPath]' 14 <= 14
drivers/staging/rtl8188eu/hal/rtl8188e_hal_init.c:2196 Hal_ReadTxPowerInfo88E() error: buffer overflow 'pHalData->Index24G_CCK_Base[rfPath]' 14 <= 14
drivers/staging/rtl8188eu/hal/rtl8188e_hal_init.c:2197 Hal_ReadTxPowerInfo88E() error: buffer overflow 'pHalData->Index24G_BW40_Base[rfPath]' 14 <= 14

The first of these is trivial. The rest are due to an off-by-one error
in a loop over the channels.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Smatch reports the following:
drivers/staging/rtl8188eu/hal/rtl8188e_phycfg.c:857 getTxPowerIndex88E() error: buffer overflow 'pHalData->BW20_24G_Diff' 2 <= 2
drivers/staging/rtl8188eu/hal/rtl8188e_phycfg.c:864 getTxPowerIndex88E() error: buffer overflow 'pHalData->BW20_24G_Diff' 2 <= 2

The array in question is large enough to handle RADIO_PATH_X, where X is A or B.
The lines in question refer to RADIO_PATH_C, which is defined as 2.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Smatch reports the following:
drivers/staging/rtl8188eu/os_dep/ioctl_linux.c:4891 set_group_key() warn: missing break? reassigning 'keylen'

As it suggests, there is a missing break statement.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Smatch reports the following:
drivers/staging/rtl8188eu/os_dep/ioctl_linux.c:941 rtw_wx_set_pmkid() warn: add some parenthesis here?
drivers/staging/rtl8188eu/os_dep/ioctl_linux.c:1042 rtw_wx_get_range() warn: assigning (-78) to unsigned variable 'range->avg_qual.level'
drivers/staging/rtl8188eu/os_dep/ioctl_linux.c:2629 rtw_get_ap_info() warn: add some parenthesis here?
drivers/staging/rtl8188eu/os_dep/ioctl_linux.c:4043 rtw_rereg_nd_name() warn: add some parenthesis here?
drivers/staging/rtl8188eu/os_dep/ioctl_linux.c:4052 rtw_rereg_nd_name() warn: add some parenthesis here?

The warnings calling for adding parentheses all have "if (!memcmp() == true)" and
are fixed by removing the "==true" part.

The warning where a negative number is stored in an unsigned variable is fixed
by biasing the result by 256.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Smatch reports the following warning:
drivers/staging/rtl8188eu/hal/usb_ops_linux.c:614 usb_read_port() warn: variable dereferenced before check 'precvbuf' (see line 611)

Fixing this particular warning required some refactoring of the code.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Smatch reports the following warning:
drivers/staging/rtl8188eu/os_dep/osdep_service.c:634 rtw_change_ifname() warn: variable dereferenced before check 'padapter' (see line 630)

The dereference in question is deferred until the validity of 'padapter' is verified.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Smatch reports the following:
drivers/staging/rtl8188eu/os_dep/recv_linux.c:227 rtw_recv_indicatepkt() warn: variable dereferenced before check 'precv_frame' (see line 139)

The test in this location is removed and added in the free routine.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Smatch reports the following situations:

drivers/staging/rtl8188eu/core/rtw_efuse.c:589 rtw_efuse_map_write() error: buffer overflow 'newdata' 8 <= 8
drivers/staging/rtl8188eu/core/rtw_efuse.c:598 rtw_efuse_map_write() error: buffer overflow 'newdata' 8 <= 8
drivers/staging/rtl8188eu/core/rtw_efuse.c:681 rtw_BT_efuse_map_write() error: buffer overflow 'newdata' 8 <= 8
drivers/staging/rtl8188eu/core/rtw_efuse.c:690 rtw_BT_efuse_map_write() error: buffer overflow 'newdata' 8 <= 8

In these cases, it is possible to write beyond the end of an array.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

In this file, a "return -1" immediately follows a "return 0". Remove the
second line.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Smatch shows the following warning:
drivers/staging/rtl8188eu/core/rtw_ieee80211.c:161 rtw_set_ie() info: ignoring unreachable code.

The cause is a module exit tracing statement after a return.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Smatch reports the following warning:

  CHECK   drivers/staging/rtl8188eu/os_dep/usb_intf.c
drivers/staging/rtl8188eu/os_dep/usb_intf.c:740 rtw_usb_if1_init() info: redundant null check on padapter->HalData calling kfree()
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Smatch reports the following warning:
"drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:8328 mlme_evt_hdl()
	 error: buffer overflow 'wlanevents' 24 <= 24"

  8321          /*  checking if event code is valid */
  8322          if (evt_code >= MAX_C2HEVT) {
                    ^^^^^^^^^^^^^^^^^^^^^^
  8323                  RT_TRACE(_module_rtl871x_cmd_c_, _drv_err_, ("\nEvent Code(%d) mismatch!\n", evt_code));
  8324                  goto _abort_event_;
  8325          }
  8326
  8327          /*  checking if event size match the event parm size */
  8328          if ((wlanevents[evt_code].parmsize != 0) &&
                     ^^^^^^^^^^^^^^^^^^^^
  8329              (wlanevents[evt_code].parmsize != evt_sz)) {
  8330                  RT_TRACE(_module_rtl871x_cmd_c_, _drv_err_,
  8331                           ("\nEvent(%d) Parm Size mismatch (%d vs %d)!\n",
  8332                           evt_code, wlanevents[evt_code].parmsize, evt_sz));
  8333                  goto _abort_event_;
  8334          }

This warning results because the number of items in "enum rtw_c2h_event",
which determines the value of MAX_C2HEVT, is one more than in "struct wlanevents".
Adding an extra dummy event to the latter fixes the problem.
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Smatch reports the following warning:
"drivers/staging/rtl8188eu/hal/rtl8188e_hal_init.c:2008
Hal_ReadPowerValueFromPROM_8188E()
	 error: buffer overflow 'pwrInfo24G->IndexBW40_Base[rfPath]' 5 <= 5"

drivers/staging/rtl8188eu/hal/rtl8188e_hal_init.c
  2005                          /* 2.4G default value */
  2006                          for (group = 0; group < MAX_CHNL_GROUP_24G; group++) {
  2007                                  pwrInfo24G->IndexCCK_Base[rfPath][group] =      EEPROM_DEFAULT_24G_INDEX;
  2008                                  pwrInfo24G->IndexBW40_Base[rfPath][group] =     EEPROM_DEFAULT_24G_INDEX;

The reason is that IndexCCK_Base[] has MAX_CHNL_GROUP_24G elements, but
IndexBW40_Base is smaller by 1. Make them both have MAX_CHNL_GROUP_24G
elements.

Reported by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

compare_ether_addr is being removed so remove
even the commented out code referring to it.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Preliminary to removing compare_ether_addr altogether:

Use the new bool function ether_addr_equal to add
some clarity and reduce the likelihood for misuse
of compare_ether_addr for sorting.

Additionally:

Used is_zero_ether_addr, removed now unused variable
Converted uses of &foo[0] to foo

Done via cocci script: (and a little typing)

$ cat compare_ether_addr.cocci
@@
expression a,b;
@@
-	!compare_ether_addr(a, b)
+	ether_addr_equal(a, b)

@@
expression a,b;
@@
-	compare_ether_addr(a, b)
+	!ether_addr_equal(a, b)

@@
expression a,b;
@@
-	!ether_addr_equal(a, b) == 0
+	ether_addr_equal(a, b)

@@
expression a,b;
@@
-	!ether_addr_equal(a, b) != 0
+	!ether_addr_equal(a, b)

@@
expression a,b;
@@
-	ether_addr_equal(a, b) == 0
+	!ether_addr_equal(a, b)

@@
expression a,b;
@@
-	ether_addr_equal(a, b) != 0
+	ether_addr_equal(a, b)

@@
expression a,b;
@@
-	!!ether_addr_equal(a, b)
+	ether_addr_equal(a, b)
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

replaced printk functions used for debug messages by respective netdev_warn
netdev_err functions.
Signed-off-by: Avinash Kumar <avi.kp.137@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

replaced the printk debug lines with respective netdev_warn()/netdev_err()
Signed-off-by: Avinash kumar <avi.kp.137@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

This is a patch to fwserial.c that wraps a line which previously exceeded the 80
character limit warning found by checkpatch.pl.  This driver is now warning and
error free, according to checkpatch.pl
Signed-off-by: Jon Bernard <jbernard@tuxion.com>
Reviewed-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Fixed space prohibition before semicolon, particularly:

nvm.c:106: WARNING: space prohibited before semicolon
nvm.c:1098: WARNING: space prohibited before semicolon
nvm.c:1279: WARNING: space prohibited before semicolon
nvm.c:2834: WARNING: space prohibited before semicolon
nvm.c:3361: WARNING: space prohibited before semicolon
nvm.c:4453: WARNING: space prohibited before semicolon
Signed-off-by: Aldo Iljazi <neonsync1@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Fixed a few of the coding style issues reported by checkpatch.pl
Signed-off-by: Faris de Haan <farisdehaan@gmail.com>
Acked-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Casting the return value which is a void pointer is redundant.
The conversion from void pointer to any other pointer type is
guaranteed by the C programming language.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Fixed some of the coding style issues reported by checkpatch.pl
Signed-off-by: Faris de Haan <farisdehaan@gmail.com>
Acked-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

fixed styling issue in pointer typecast.
Signed-off-by: Avinash Kumar <avi.kp.137@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Adding some trivial formatting suggestions made by Dan Carpenter to
the TODO.
Signed-off-by: Mark Einon <mark.einon@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Remove braces from a few single line if statements.
Signed-off-by: Mark Einon <mark.einon@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

The rcv_pend_lock spinlock isn't used anymore. remove it.
Signed-off-by: Mark Einon <mark.einon@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

phy_lock is no longer used in any useful code, it's all been moved into
a phy_device. Remove the lock definition and init.
Signed-off-by: Mark Einon <mark.einon@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

This patch removes parentheses around return
statements. They aren't needed.
Signed-off-by: Lidza Louina <lidza.louina@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

This patch renames the struct board_t to dgnc_board. board_t
wasn't a good name for it since the _t suffix is for typedefs.
Signed-off-by: Lidza Louina <lidza.louina@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Casting the return value which is a void pointer is redundant.
The conversion from void pointer to any other pointer type is
guaranteed by the C programming language.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Code should be for the kernel version it is merged in.
Version check is not necessary.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Code should be for the kernel version it is merged in.
Version check is not necessary.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Change the MODULE_DESCRIPTION to something useful instead of the
generic "Comedi low-level driver".
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Use the dev->read_subdev to get the comedi_subdevice instead of accessing
the dev->subdevices array directly.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

For aesthetic reasons, rename this function.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

For aesthetic reasons, reorder the #include list.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Tidy up the multi-line comments to follow the CodingStyle.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>