From 9495b31ad7e2b479501abb36a62789d59ee406fc Mon Sep 17 00:00:00 2001 From: Yuanhan Liu Date: Thu, 18 Oct 2012 18:10:56 +0800 Subject: [PATCH] brcmfmac: fix potential NULL dereference Fix a samtch warnings catched by Fengguang's 0-DAY system: + drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c:3572 brcmf_cfg80211_sched_scan_start() error: we previously assumed 'request' could be null (see line 3571) Cc: John W. Linville Signed-off-by: Yuanhan Liu Acked-by: Franky Lin Signed-off-by: John W. Linville --- drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c index 411dfe7c7ff0..a6f1e8166008 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c @@ -3569,7 +3569,7 @@ brcmf_cfg80211_sched_scan_start(struct wiphy *wiphy, if (!request || !request->n_ssids || !request->n_match_sets) { WL_ERR("Invalid sched scan req!! n_ssids:%d\n", - request->n_ssids); + request ? request->n_ssids : 0); return -EINVAL; }