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brcmfmac: fix potential NULL dereference

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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 <linville@tuxdriver.com>
Signed-off-by: Yuanhan Liu <yuanhan.liu@linux.intel.com>
Acked-by: Franky Lin <frankyl@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Yuanhan Liu 2012-10-18 18:10:56 +08:00 committed by John W. Linville
parent 73b26df5fa
commit 9495b31ad7
1 changed files with 1 additions and 1 deletions
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drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c
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@ -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;
}