From a4660251792b92c08b8969a227d0e689bed364d4 Mon Sep 17 00:00:00 2001
From: "Justin T. Gibbs" <gibbs@FreeBSD.org>
Date: Tue, 22 Dec 1998 18:12:09 +0000
Subject: [PATCH] Return NULL on resource shortage instead of blindly
 continuing.

Obtained from: Eivind Eklund <eivind@yes.no>
---
 sys/dev/advansys/advansys.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/sys/dev/advansys/advansys.c b/sys/dev/advansys/advansys.c
index de58917b36ee..f0588f891637 100644
--- a/sys/dev/advansys/advansys.c
+++ b/sys/dev/advansys/advansys.c
@@ -32,7 +32,7 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- *      $Id: advansys.c,v 1.5 1998/10/29 17:41:34 gibbs Exp $
+ *      $Id: advansys.c,v 1.6 1998/12/04 22:54:44 archie Exp $
  */
 /*
  * Ported from:
@@ -554,8 +554,10 @@ adv_alloc_ccb_info(struct adv_softc *adv)
 	struct adv_ccb_info *cinfo;
 
 	cinfo = malloc(sizeof(*cinfo), M_DEVBUF, M_NOWAIT);
-	if (cinfo == NULL)
+	if (cinfo == NULL) {
 		printf("%s: Can't malloc CCB info\n", adv_name(adv));
+		return (NULL);
+	}
 	cinfo->state = ACCB_FREE;
 	error = bus_dmamap_create(adv->buffer_dmat, /*flags*/0,
 				  &cinfo->dmamap);