lpfc: Fix scsi prep dma buf error.
Didn't check for less-than-or-equal zero. Means we may later call scsi_dma_unmap() even though we don't have valid mappings. Signed-off-by: Dick Kennedy <dick.kennedy@avagotech.com> Signed-off-by: James Smart <james.smart@avagotech.com> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: James Bottomley <JBottomley@Odin.com>
This commit is contained in:
parent
8b0dff1416
commit
5116fbf136
drivers/scsi/lpfc
|
@ -3257,7 +3257,7 @@ lpfc_scsi_prep_dma_buf_s4(struct lpfc_hba *phba, struct lpfc_scsi_buf *lpfc_cmd)
|
|||
*/
|
||||
|
||||
nseg = scsi_dma_map(scsi_cmnd);
|
||||
if (unlikely(!nseg))
|
||||
if (unlikely(nseg <= 0))
|
||||
return 1;
|
||||
sgl += 1;
|
||||
/* clear the last flag in the fcp_rsp map entry */
|
||||
|
|
Loading…
Reference in New Issue