From 6fca90a0f975e89b0ef6504d085acb5be5a76935 Mon Sep 17 00:00:00 2001
From: Xin LI <delphij@FreeBSD.org>
Date: Tue, 16 Dec 2008 04:59:04 +0000
Subject: [PATCH] Test whether sc->tx_mbuf_map[i], not whether sc->tx_mbuf_map
 is NULL before doing bus_dmamap_sync() since it operates on the former, not
 the latter.

Reviewed by:	davidch
---
 sys/dev/bce/if_bce.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sys/dev/bce/if_bce.c b/sys/dev/bce/if_bce.c
index 15dc633d7f6..b96c9325c5e 100644
--- a/sys/dev/bce/if_bce.c
+++ b/sys/dev/bce/if_bce.c
@@ -5114,7 +5114,7 @@ bce_free_tx_chain(struct bce_softc *sc)
 	/* Unmap, unload, and free any mbufs still in the TX mbuf chain. */
 	for (i = 0; i < TOTAL_TX_BD; i++) {
 		if (sc->tx_mbuf_ptr[i] != NULL) {
-			if (sc->tx_mbuf_map != NULL)
+			if (sc->tx_mbuf_map[i] != NULL)
 				bus_dmamap_sync(sc->tx_mbuf_tag, sc->tx_mbuf_map[i],
 					BUS_DMASYNC_POSTWRITE);
 			m_freem(sc->tx_mbuf_ptr[i]);