[patch 1/2 -resend] SCSI: advansys: handle errors from scsi_dma_map()

[Dan Carpenter]

scsi_dma_map() returns -ENOMEM on error.

Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
---
Originally sent on Tue, 20 Sep 2011.

diff --git a/drivers/scsi/advansys.c b/drivers/scsi/advansys.c
index 374c4ed..b2c3a1a 100644
--- a/drivers/scsi/advansys.c
+++ b/drivers/scsi/advansys.c
@@ -8426,6 +8426,12 @@ static int asc_build_req(struct asc_board *boardp, struct scsi_cmnd *scp,
 
 	/* Build ASC_SCSI_Q */
 	use_sg = scsi_dma_map(scp);
+	if (use_sg < 0) {
+		scsi_dma_unmap(scp);
+		scp->result = HOST_BYTE(DID_SOFT_ERROR);
+		return ASC_ERROR;
+	}
+
 	if (use_sg != 0) {
 		int sgcnt;
 		struct scatterlist *slp;
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/