wlcore: fix error handling in wlcore_event_fw_logger
authorAndrzej Hajda <a.hajda@samsung.com>
Thu, 7 Jan 2016 13:28:50 +0000 (14:28 +0100)
committerKalle Valo <kvalo@codeaurora.org>
Fri, 29 Jan 2016 09:14:57 +0000 (11:14 +0200)
wlcore_read/wlcore_write can return negative values so it should
be assigned to signed variable.

The problem has been detected using proposed semantic patch
scripts/coccinelle/tests/unsigned_lesser_than_zero.cocci [1].

[1]: http://permalink.gmane.org/gmane.linux.kernel/2120705

Fixes: 3719c17e1816 ("wlcore/wl18xx: fw logger over sdio")
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
drivers/net/wireless/ti/wlcore/event.c

index c96405498bf43c68b997e73d512e88be4b153ec0..4b59f67724dead0621174da68b2e6167506b3b95 100644 (file)
@@ -38,7 +38,7 @@
 
 int wlcore_event_fw_logger(struct wl1271 *wl)
 {
-       u32 ret;
+       int ret;
        struct fw_logger_information fw_log;
        u8  *buffer;
        u32 internal_fw_addrbase = WL18XX_DATA_RAM_BASE_ADDRESS;