X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=block%2Fscsi_ioctl.c;h=2528a0c0dec8bc906533d1b62163f6404d1c697c;hb=847641d7db15ac3f18b3d4aa05479812abdf397a;hp=b3e210723a71f637605852b7d8136ef594af95d2;hpb=ea14fad0d416354a4e9bb1a04f32acba706f9548;p=pandora-kernel.git

diff --git a/block/scsi_ioctl.c b/block/scsi_ioctl.c
index b3e210723a71..2528a0c0dec8 100644
--- a/block/scsi_ioctl.c
+++ b/block/scsi_ioctl.c
@@ -228,6 +228,7 @@ static int sg_io(struct file *file, request_queue_t *q,
 	struct request *rq;
 	char sense[SCSI_SENSE_BUFFERSIZE];
 	unsigned char cmd[BLK_MAX_CDB];
+	struct bio *bio;
 
 	if (hdr->interface_id != 'S')
 		return -EINVAL;
@@ -270,13 +271,6 @@ static int sg_io(struct file *file, request_queue_t *q,
 
 	rq->cmd_type = REQ_TYPE_BLOCK_PC;
 
-	/*
-	 * bounce this after holding a reference to the original bio, it's
-	 * needed for proper unmapping
-	 */
-	if (rq->bio)
-		blk_queue_bounce(q, &rq->bio);
-
 	rq->timeout = jiffies_to_msecs(hdr->timeout);
 	if (!rq->timeout)
 		rq->timeout = q->sg_timeout;
@@ -308,6 +302,7 @@ static int sg_io(struct file *file, request_queue_t *q,
 	if (ret)
 		goto out;
 
+	bio = rq->bio;
 	rq->retries = 0;
 
 	start_time = jiffies;
@@ -338,7 +333,7 @@ static int sg_io(struct file *file, request_queue_t *q,
 			hdr->sb_len_wr = len;
 	}
 
-	if (blk_rq_unmap_user(rq))
+	if (blk_rq_unmap_user(bio))
 		ret = -EFAULT;
 
 	/* may not have succeeded, but output values written to control