tree 937f71f6ddc91f4c40574d40f6667e8b493202de
parent 8b0dff14164d3f43eba8365950b506d898e0e1e6
author James Smart <james.smart@avagotech.com> 1432305759 -0400
committer James Bottomley <JBottomley@Odin.com> 1434208924 -0700

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>