rtl8180: avoid potential NULL deref in rtl8180_beacon_work
ieee80211_beacon_get can return NULL...
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Cc: stable@kernel.org
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ieee80211_beacon_get can return NULL...
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Cc: stable@kernel.org