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;
--
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