es1968: fix sleep-while-holding-lock bug

[linux-2.6-omap-h63xx.git] / drivers / scsi / scsi_tgt_lib.c

diff --git a/drivers/scsi/scsi_tgt_lib.c b/drivers/scsi/scsi_tgt_lib.c
index 3677fbb30b720d50b6777a395125ba03ae1c492b..a0f308bd145b062e2403af9b57a2c32d92108ca0 100644 (file)
--- a/drivers/scsi/scsi_tgt_lib.c
+++ b/drivers/scsi/scsi_tgt_lib.c
@@ -103,7 +103,6 @@ struct scsi_cmnd *scsi_host_get_command(struct Scsi_Host *shost,
        if (!cmd)
                goto release_rq;
 
-       memset(cmd, 0, sizeof(*cmd));
        cmd->sc_data_direction = data_dir;
        cmd->jiffies_at_alloc = jiffies;
        cmd->request = rq;
@@ -382,6 +381,11 @@ static int scsi_map_user_pages(struct scsi_tgt_cmd *tcmd, struct scsi_cmnd *cmd,
                scsi_release_buffers(cmd);
                goto unmap_rq;
        }
+       /*
+        * we use REQ_TYPE_BLOCK_PC so scsi_init_io doesn't set the
+        * length for us.
+        */
+       cmd->sdb.length = rq->data_len;
 
        return 0;