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| author | Hannes Reinecke <hare@suse.de> | 2021-04-27 10:30:08 +0200 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2021-05-31 22:48:20 -0400 |
| commit | 21eccf304b3a16c26fc2878faca4665907a318ec (patch) | |
| tree | 59d1ede5710b367e26d7325f5fe03b22bb31b6be /block | |
| parent | 00da6a701a69b685ee7cac95b5c276e2d011dbca (diff) | |
| download | linux-stable-21eccf304b3a16c26fc2878faca4665907a318ec.tar.gz linux-stable-21eccf304b3a16c26fc2878faca4665907a318ec.tar.bz2 linux-stable-21eccf304b3a16c26fc2878faca4665907a318ec.zip | |
scsi: scsi_ioctl: Return error code when blk_rq_map_kern() fails
The callers of sg_scsi_ioctl() already check for negative return values, so
we can drop the usage of DRIVER_ERROR and return the error from
blk_rq_map_kern() instead.
Link: https://lore.kernel.org/r/20210427083046.31620-3-hare@suse.de
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'block')
| -rw-r--r-- | block/scsi_ioctl.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/block/scsi_ioctl.c b/block/scsi_ioctl.c index 1b3fe99b83a6..48bb4e1ea1e7 100644 --- a/block/scsi_ioctl.c +++ b/block/scsi_ioctl.c @@ -484,9 +484,10 @@ int sg_scsi_ioctl(struct request_queue *q, struct gendisk *disk, fmode_t mode, break; } - if (bytes && blk_rq_map_kern(q, rq, buffer, bytes, GFP_NOIO)) { - err = DRIVER_ERROR << 24; - goto error; + if (bytes) { + err = blk_rq_map_kern(q, rq, buffer, bytes, GFP_NOIO); + if (err) + goto error; } blk_execute_rq(disk, rq, 0); |