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mwifiex: fix potential null dereference 'mef_entry'

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drivers/net/wireless/mwifiex/cfg80211.c:2357 mwifiex_cfg80211_suspend()
  error: potential null dereference 'mef_entry'
  (kzalloc returns null)

Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Bing Zhao 2013-03-06 16:44:26 -08:00 committed by John W. Linville
parent 8908c7d539
commit c678fb2a91
1 changed files with 4 additions and 1 deletions
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5
drivers/net/wireless/mwifiex/cfg80211.c
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@ -2350,9 +2350,12 @@ static int mwifiex_cfg80211_suspend(struct wiphy *wiphy,
return 0;
}
mef_entry = kzalloc(sizeof(*mef_entry), GFP_KERNEL);
if (!mef_entry)
return -ENOMEM;
memset(&mef_cfg, 0, sizeof(mef_cfg));
mef_cfg.num_entries = 1;
mef_entry = kzalloc(sizeof(*mef_entry), GFP_KERNEL);
mef_cfg.mef_entry = mef_entry;
mef_entry->mode = MEF_MODE_HOST_SLEEP;
mef_entry->action = MEF_ACTION_ALLOW_AND_WAKEUP_HOST;