From 0ea05ce7fd0c1286759933933764aacd12f6ac3a Mon Sep 17 00:00:00 2001 From: "David S. Miller" Date: Sun, 12 Sep 2010 12:06:00 -0700 Subject: [PATCH] bna: Check for NULL before deref in bnad_cb_tx_cleanup Reported-by: Jiri Slaby Signed-off-by: David S. Miller --- drivers/net/bna/bnad.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/bna/bnad.c b/drivers/net/bna/bnad.c index 8158fb93cb4c..e380c0e88f4f 100644 --- a/drivers/net/bna/bnad.c +++ b/drivers/net/bna/bnad.c @@ -867,11 +867,12 @@ bnad_cb_tx_resume(struct bnad *bnad, struct bna_tcb *tcb) static void bnad_cb_tx_cleanup(struct bnad *bnad, struct bna_tcb *tcb) { - struct bnad_unmap_q *unmap_q = tcb->unmap_q; + struct bnad_unmap_q *unmap_q; if (!tcb || (!tcb->unmap_q)) return; + unmap_q = tcb->unmap_q; if (!unmap_q->unmap_array) return; -- 2.20.1