diff options
| author | James Smart <james.smart@avagotech.com> | 2015-05-22 10:42:39 -0400 |
|---|---|---|
| committer | Sasha Levin <sasha.levin@oracle.com> | 2015-09-28 18:57:02 -0400 |
| commit | cf76d3de6e54afb361b2cb6d70893518cb7aa57c (patch) | |
| tree | cd51d4d31a6903c5b1718c4638706b67065b56b5 | |
| parent | 573f4d61b7ffb05b400018d81dc52c9f823c3178 (diff) | |
lpfc: Fix scsi prep dma buf error.
[ Upstream commit 5116fbf136ea21b8678a85eee5c03508736ada9f ]
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>
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_scsi.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c index b99399fe2548..15acc808658f 100644 --- a/drivers/scsi/lpfc/lpfc_scsi.c +++ b/drivers/scsi/lpfc/lpfc_scsi.c @@ -3380,7 +3380,7 @@ 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 */ |