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block: remove the blk_execute_rq return value

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The function only returns -EIO if rq->errors is non-zero, which is not
very useful and lets a large number of callers ignore the return value.

Just let the callers figure out their error themselves.

Signed-off-by: Christoph Hellwig <[email protected]>
Reviewed-by: Johannes Thumshirn <[email protected]>
Reviewed-by: Bart Van Assche <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>
This commit is contained in:
Christoph Hellwig 2017-04-20 16:02:55 +02:00 • committed by Jens Axboe
commit b7819b9259
16 changed files with 34 additions and 28 deletions
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3
drivers/cdrom/cdrom.c
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@ -2218,7 +2218,8 @@ static int cdrom_read_cdda_bpc(struct cdrom_device_info *cdi, __u8 __user *ubuf,
rq->timeout = 60 * HZ;
bio = rq->bio;
if (blk_execute_rq(q, cdi->disk, rq, 0)) {
blk_execute_rq(q, cdi->disk, rq, 0);
if (rq->errors) {
struct request_sense *s = req->sense;
ret = -EIO;
cdi->last_sense = s->sense_key;