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authorLinus Torvalds <torvalds@g5.osdl.org>2005-09-07 17:31:27 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2005-09-07 17:31:27 -0700
commit0481990b758628e12f4b0a9e15094e70cefc7cd1 (patch)
tree67a4b4b7acc6a688b87ef2a2d3ec0e296e6e480c /drivers/cdrom
parentdb400b3c4ee89d384d9163836a55577abdae772d (diff)
parent17fa53da1239b8712c5cebbd72a74c713b6c2db9 (diff)
Merge master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-for-linus-2.6
Diffstat (limited to 'drivers/cdrom')
-rw-r--r--drivers/cdrom/cdrom.c15
1 files changed, 10 insertions, 5 deletions
diff --git a/drivers/cdrom/cdrom.c b/drivers/cdrom/cdrom.c
index beaa561f2ed..15396034841 100644
--- a/drivers/cdrom/cdrom.c
+++ b/drivers/cdrom/cdrom.c
@@ -2097,6 +2097,10 @@ static int cdrom_read_cdda_bpc(struct cdrom_device_info *cdi, __u8 __user *ubuf,
if (!q)
return -ENXIO;
+ rq = blk_get_request(q, READ, GFP_KERNEL);
+ if (!rq)
+ return -ENOMEM;
+
cdi->last_sense = 0;
while (nframes) {
@@ -2108,9 +2112,9 @@ static int cdrom_read_cdda_bpc(struct cdrom_device_info *cdi, __u8 __user *ubuf,
len = nr * CD_FRAMESIZE_RAW;
- rq = blk_rq_map_user(q, READ, ubuf, len);
- if (IS_ERR(rq))
- return PTR_ERR(rq);
+ ret = blk_rq_map_user(q, rq, ubuf, len);
+ if (ret)
+ break;
memset(rq->cmd, 0, sizeof(rq->cmd));
rq->cmd[0] = GPCMD_READ_CD;
@@ -2132,13 +2136,13 @@ static int cdrom_read_cdda_bpc(struct cdrom_device_info *cdi, __u8 __user *ubuf,
if (rq->bio)
blk_queue_bounce(q, &rq->bio);
- if (blk_execute_rq(q, cdi->disk, rq)) {
+ if (blk_execute_rq(q, cdi->disk, rq, 0)) {
struct request_sense *s = rq->sense;
ret = -EIO;
cdi->last_sense = s->sense_key;
}
- if (blk_rq_unmap_user(rq, bio, len))
+ if (blk_rq_unmap_user(bio, len))
ret = -EFAULT;
if (ret)
@@ -2149,6 +2153,7 @@ static int cdrom_read_cdda_bpc(struct cdrom_device_info *cdi, __u8 __user *ubuf,
ubuf += len;
}
+ blk_put_request(rq);
return ret;
}