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authorShawn Lin <shawn.lin@rock-chips.com>2017-07-06 10:50:33 +0300
committerKalle Valo <kvalo@codeaurora.org>2017-07-28 17:49:48 +0300
commitf46a5b0156b166fcfdf05bca02d13bf482d95bf1 (patch)
treeb272d5fe86f0faccb8991b9667a0ee55e5aef58f
parent0bc03cfd824789b0efacf3cc204034db1f3e6f0a (diff)
downloadlinux-f46a5b0156b166fcfdf05bca02d13bf482d95bf1.tar.xz
mwifiex: fix compile warning of unused variable
We got a compile warning shows below: drivers/net/wireless/marvell/mwifiex/sdio.c: In function 'mwifiex_sdio_remove': drivers/net/wireless/marvell/mwifiex/sdio.c:377:6: warning: variable 'ret' set but not used [-Wunused-but-set-variable] Per the code, it didn't check if mwifiex_sdio_read_fw_status finish successfully. We should at least check the return of mwifiex_sdio_read_fw_status, otherwise the following check of firmware_stat and adapter->mfg_mode is pointless as the device is probably dead. Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com> Reviewed-by: Brian Norris <briannorris@chromium.org> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
-rw-r--r--drivers/net/wireless/marvell/mwifiex/sdio.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/net/wireless/marvell/mwifiex/sdio.c b/drivers/net/wireless/marvell/mwifiex/sdio.c
index f81a006668f3..fd5183c10c4e 100644
--- a/drivers/net/wireless/marvell/mwifiex/sdio.c
+++ b/drivers/net/wireless/marvell/mwifiex/sdio.c
@@ -390,7 +390,8 @@ mwifiex_sdio_remove(struct sdio_func *func)
mwifiex_dbg(adapter, INFO, "info: SDIO func num=%d\n", func->num);
ret = mwifiex_sdio_read_fw_status(adapter, &firmware_stat);
- if (firmware_stat == FIRMWARE_READY_SDIO && !adapter->mfg_mode) {
+ if (!ret && firmware_stat == FIRMWARE_READY_SDIO &&
+ !adapter->mfg_mode) {
mwifiex_deauthenticate_all(adapter);
priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY);