diff options
Diffstat (limited to 'drivers/scsi/scsi_tgt_lib.c')
| -rw-r--r-- | drivers/scsi/scsi_tgt_lib.c | 11 |
1 files changed, 3 insertions, 8 deletions
diff --git a/drivers/scsi/scsi_tgt_lib.c b/drivers/scsi/scsi_tgt_lib.c index 241815e911e..93ece8f4e5d 100644 --- a/drivers/scsi/scsi_tgt_lib.c +++ b/drivers/scsi/scsi_tgt_lib.c @@ -368,14 +368,9 @@ static int scsi_tgt_init_cmd(struct scsi_cmnd *cmd, gfp_t gfp_mask) dprintk("cmd %p cnt %d %lu\n", cmd, scsi_sg_count(cmd), rq_data_dir(rq)); count = blk_rq_map_sg(rq->q, rq, scsi_sglist(cmd)); - if (likely(count <= scsi_sg_count(cmd))) { - cmd->use_sg = count; - return 0; - } - - eprintk("cmd %p cnt %d\n", cmd, scsi_sg_count(cmd)); - scsi_free_sgtable(cmd); - return -EINVAL; + BUG_ON(count > cmd->use_sg); + cmd->use_sg = count; + return 0; } /* TODO: test this crap and replace bio_map_user with new interface maybe */ |