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 <[email protected]> Signed-off-by: James Smart <[email protected]> --- drivers/scsi/lpfc/lpfc_scsi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c index 4a2a818..b3b195f 100644 --- a/drivers/scsi/lpfc/lpfc_scsi.c +++ b/drivers/scsi/lpfc/lpfc_scsi.c @@ -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 */ -- 1.7.11.7 -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
