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path: root/drivers/net/wireless/realtek/rtlwifi/rtl8192cu
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2018-06-06rtlwifi: rtl8192cu: Remove variable self-assignment in rf.cMatthias Kaehlcke
commit fb239c1209bb0f0b4830cc72507cc2f2d63fadbd upstream. In _rtl92c_get_txpower_writeval_by_regulatory() the variable writeVal is assigned to itself in an if ... else statement, apparently only to document that the branch condition is handled and that a previously read value should be returned unmodified. The self-assignment causes clang to raise the following warning: drivers/net/wireless/realtek/rtlwifi/rtl8192cu/rf.c:304:13: error: explicitly assigning value of variable of type 'u32' (aka 'unsigned int') to itself [-Werror,-Wself-assign] writeVal = writeVal; Delete the branch with the self-assignment. Signed-off-by: Matthias Kaehlcke <mka@chromium.org> Acked-by: Larry Finger <Larry.Finger@lwfinger.net> Reviewed-by: Guenter Roeck <groeck@chromium.org> Signed-off-by: Kalle Valo <kvalo@codeaurora.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-10-13rtlwifi: Fix regression caused by commit d86e64768859Larry Finger
In commit d86e64768859 ("rtlwifi: rtl818x: constify local structures"), the configuration struct for most of the drivers was changed to be constant. The problem is that five of the modified drivers need to be able to update the firmware name based on the exact model of the card. As the file names were stored in one of the members of that struct, these drivers would fail with a kernel BUG splat when they tried to update the firmware name. Rather than reverting the previous commit, I used a suggestion by Johannes Berg and made the firmware file name pointers be local to the routines that update the software variables. The configuration struct of rtl8192cu, which was not touched in the previous patch, is now constantfied. Fixes: d86e64768859 ("rtlwifi: rtl818x: constify local structures") Suggested-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Cc: Stable <stable@vger.kernel.org> # 4.8 Cc: Julia Lawall <Julia.Lawall@lip6.fr> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-09-27rtlwifi: Add switch variable to 'switch case not processed' messagesJoe Perches
Help along debugging by showing what switch/case variable is not being processed in these messages. Signed-off-by: Joe Perches <joe@perches.com> Acked-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-07-08rtlwifi: rtl8192cu: Convert driver to use common hardware info routineLarry Finger
The driver for RTL8192CU chips is converted to use the common routine for getting the hardware information. Reported-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Cc: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-07-08rtlwifi: Add missing newlines to RT_TRACE callsJoe Perches
RT_TRACE does not add a newline to the end of a message and always emits at KERN_DEBUG so these are susceptible to message interleaving from other processes without the newline. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-06-29rtlwifi: use s8 instead of charArnd Bergmann
Compiling the rtlwifi drivers for ARM with gcc -Wextra warns about lots of incorrect code that results from 'char' being unsigned here, e.g. realtek/rtlwifi/rc.c:113:18: error: comparison is always true due to limited range of data type [-Werror=type-limits] realtek/rtlwifi/rtl8188ee/dm.c:1070:22: error: comparison is always false due to limited range of data type [-Werror=type-limits] realtek/rtlwifi/rtl8192ce/trx.c:54:16: error: comparison is always false due to limited range of data type [-Werror=type-limits] realtek/rtlwifi/rtl8192cu/mac.c:601:16: error: comparison is always false due to limited range of data type [-Werror=type-limits] realtek/rtlwifi/rtl8192de/trx.c:53:16: error: comparison is always false due to limited range of data type [-Werror=type-limits] realtek/rtlwifi/rtl8192ee/phy.c:1268:12: error: comparison is always true due to limited range of data type [-Werror=type-limits] realtek/rtlwifi/rtl8192se/rf.c:150:20: error: comparison is always false due to limited range of data type [-Werror=type-limits] realtek/rtlwifi/rtl8723be/dm.c:877:29: error: comparison is always false due to limited range of data type [-Werror=type-limits] realtek/rtlwifi/rtl8723be/phy.c:386:16: error: comparison is always true due to limited range of data type [-Werror=type-limits] realtek/rtlwifi/rtl8821ae/dm.c:1514:38: error: comparison is always false due to limited range of data type [-Werror=type-limits] realtek/rtlwifi/rtl8821ae/phy.c:1558:11: error: comparison is always false due to limited range of data type [-Werror=type-limits] realtek/rtlwifi/rtl8821ae/phy.c:386:24: error: comparison is always false due to limited range of data type [-Werror=type-limits] realtek/rtlwifi/rtl8821ae/trx.c:55:12: error: comparison is always false due to limited range of data type [-Werror=type-limits] realtek/rtlwifi/stats.c:31:16: error: comparison is always false due to limited range of data type [-Werror=type-limits] This patch changes all uses of 'char' in this driver that refer to 8-bit integers to use 's8' instead, which is signed on all architectures. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-06-16rtlwifi: fix error handling in *_read_adapter_info()Arnd Bergmann
There are nine copies of the _rtl88ee_read_adapter_info() function, and most but not all of them cause a build warning in some configurations: rtl8192de/hw.c: In function '_rtl92de_read_adapter_info': rtl8192de/hw.c:1767:12: error: 'hwinfo' may be used uninitialized in this function [-Werror=maybe-uninitialized] rtl8723ae/hw.c: In function '_rtl8723e_read_adapter_info.constprop': rtlwifi/rtl8723ae/hw.c:1654:12: error: 'hwinfo' may be used uninitialized in this function [-Werror=maybe-uninitialized] The problem is that when rtlefuse->epromtype is something other than EEPROM_BOOT_EFUSE, the rest of the function uses undefined data, resulting in random behavior later. Apparently, in some drivers, the problem was already found and fixed but the fix did not make it into the others. This picks one approach to deal with the problem and applies identical code to all 9 files, to simplify the later consolidation of those. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-12-30rtlwifi: rtl8192cu: Add missing parameter setupLarry Finger
This driver fails to copy the module parameter for software encryption to the locations used by the main code. Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Cc: Stable <stable@vger.kernel.org> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-10-14rtlwifi: rtl8192cu: Add missing case in rtl92cu_get_hw_regPriit Laes
Driver was reporting 'switch case not processed' after association, so HW_VAR_KEEP_ALIVE was added and filled similarily to other drivers. Positive side effect to this seems to be a bit more stable connection. Signed-off-by: Priit Laes <plaes@plaes.org> Acked-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-10-14rtlwifi: rtl818x: Move drivers into new realtek directoryLarry Finger
Now that a new mac80211-based driver for Realtek devices has been submitted, it is time to reorganize the directories. Rather than having directories rtlwifi and rtl818x be in drivers/net/wireless/, they will now be in drivers/net/wireless/realtek/. This change simplifies the directory structure, but does not result in any configuration changes that are visable to the user. Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>