From dc4a787c8f52f9d6e46156953f8014a3353bcbc7 Mon Sep 17 00:00:00 2001
From: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Date: Fri, 22 Feb 2013 21:32:20 +0800
Subject: [PATCH] brcmfmac: fix missing unlock on error in
brcmf_notify_vif_event()
Add the missing unlock before return from function brcmf_notify_vif_event()
in the error handling case.
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c
index cecc3eff72e9..2af9c0f0798d 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c
@@ -4615,8 +4615,10 @@ static s32 brcmf_notify_vif_event(struct brcmf_if *ifp,
switch (ifevent->action) {
case BRCMF_E_IF_ADD:
/* waiting process may have timed out */
- if (!cfg->vif_event.vif)
+ if (!cfg->vif_event.vif) {
+ mutex_unlock(&event->vif_event_lock);
return -EBADF;
+ }
ifp->vif = vif;
vif->ifp = ifp;
--
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