bwn(4): Fix trivial null dereference

Reported by:	PVS-Studio
Sponsored by:	Dell EMC Isilon

This commit is contained in:

Conrad Meyer

2017-04-06 17:08:59 +00:00

parent 8d64ff50b3

commit 7013b24d32

1 changed files with 7 additions and 2 deletions

									
										sys/dev/bwn/if_bwn.c
									
		+7
		-2
	
												View File
												
				@@ -6754,10 +6754,15 @@ static void

				bwn_txpwr(void *arg, int npending)

				{

					struct bwn_mac *mac = arg;

					struct bwn_softc *sc = mac->mac_sc;

					struct bwn_softc *sc;

					if (mac == NULL)

						return;

					sc = mac->mac_sc;

					BWN_LOCK(sc);

					if (mac && mac->mac_status >= BWN_MAC_STATUS_STARTED &&

					if (mac->mac_status >= BWN_MAC_STATUS_STARTED &&

					    mac->mac_phy.set_txpwr != NULL)

						mac->mac_phy.set_txpwr(mac);

					BWN_UNLOCK(sc);