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Commit c678fb2a authored by Bing Zhao's avatar Bing Zhao Committed by John W. Linville
Browse files

mwifiex: fix potential null dereference 'mef_entry' 



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

Reported-by: default avatarkbuild test robot <fengguang.wu@intel.com>
Signed-off-by: default avatarBing Zhao <bzhao@marvell.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 8908c7d5

drivers/net/wireless/mwifiex/cfg80211.c

+4 −1
Original line number Diff line number Diff line
@@ -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;