From 19de5f4e3edc997a1ea3c7867f066b6ddbc9b573 Mon Sep 17 00:00:00 2001
From: Gleb Smirnoff <glebius@FreeBSD.org>
Date: Mon, 25 May 2015 14:12:50 +0000
Subject: [PATCH] Don't compare array to NULL.

Found by:	clang
---
 sys/dev/ipw/if_ipw.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/sys/dev/ipw/if_ipw.c b/sys/dev/ipw/if_ipw.c
index 3f20745d3a1..0c97e9bcff7 100644
--- a/sys/dev/ipw/if_ipw.c
+++ b/sys/dev/ipw/if_ipw.c
@@ -752,11 +752,8 @@ ipw_release(struct ipw_softc *sc)
 	}
 
 	if (sc->tbd_dmat != NULL) {
-		if (sc->stbd_list != NULL) {
-			bus_dmamap_unload(sc->tbd_dmat, sc->tbd_map);
-			bus_dmamem_free(sc->tbd_dmat, sc->tbd_list,
-			    sc->tbd_map);
-		}
+		bus_dmamap_unload(sc->tbd_dmat, sc->tbd_map);
+		bus_dmamem_free(sc->tbd_dmat, sc->tbd_list, sc->tbd_map);
 		bus_dma_tag_destroy(sc->tbd_dmat);
 	}