[SCSI] u14-34f: fix scsi_dma_map failure case
When unsigned, scsi_dma_map may return -ENOMEM without triggering BUG_ON()
Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
diff --git a/drivers/scsi/u14-34f.c b/drivers/scsi/u14-34f.c
index 329eb87..601e951 100644
--- a/drivers/scsi/u14-34f.c
+++ b/drivers/scsi/u14-34f.c
@@ -1111,7 +1111,8 @@
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;