From: roel kluin <roel.kluin@xxxxxxxxx>
When unsigned, scsi_dma_map may return -ENOMEM without triggering BUG_ON()
Signed-off-by: Roel Kluin <roel.kluin@xxxxxxxxx>
Cc: James Bottomley <James.Bottomley@xxxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/scsi/u14-34f.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff -puN drivers/scsi/u14-34f.c~u14-34f-fix-scsi_dma_map-failure-case drivers/scsi/u14-34f.c
--- a/drivers/scsi/u14-34f.c~u14-34f-fix-scsi_dma_map-failure-case
+++ a/drivers/scsi/u14-34f.c
@@ -1111,7 +1111,8 @@ static int u14_34f_detect(struct scsi_ho
static void map_dma(unsigned int i, unsigned int j) {
unsigned int data_len = 0;
- unsigned int k, count, pci_dir;
+ unsigned int k, pci_dir;
+ int count;
struct scatterlist *sg;
struct mscp *cpp;
struct scsi_cmnd *SCpnt;
_
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