Colin Ian King f12cac539f mac80211: add missing null return check from call to ieee80211_get_sband ...

The return from ieee80211_get_sband can potentially be a null pointer, so
it seems prudent to add a null check to avoid a null pointer dereference
on sband.

Addresses-Coverity: ("Dereference null return")
Fixes: 2ab4587675 ("mac80211: add support for the ADDBA extension element")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Link: https://lore.kernel.org/r/20190730143205.14261-1-colin.king@canonical.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

2019-07-31 10:51:17 +02:00

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