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authorMike Snitzer <snitzer@redhat.com>2015-06-09 12:31:26 -0400
committerMike Snitzer <snitzer@redhat.com>2015-06-11 17:13:05 -0400
commitfd467696e8beb542144cd005ff96cd35fff41354 (patch)
tree900aa4ce86274d0ad19f42331d41994a8be54ec8 /drivers/md
parent34fbcf6257eb3f39a5b78a4f51b40f881b82033b (diff)
downloadop-kernel-dev-fd467696e8beb542144cd005ff96cd35fff41354.zip
op-kernel-dev-fd467696e8beb542144cd005ff96cd35fff41354.tar.gz
dm thin: fail messages with EOPNOTSUPP when pool cannot handle messages
Use EOPNOTSUPP, rather than EINVAL, error code when user attempts to send the pool a message. Otherwise usespace is led to believe the message failed due to invalid argument. Reported-by: Zdenek Kabelac <zkabelac@redhat.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Diffstat (limited to 'drivers/md')
-rw-r--r--drivers/md/dm-thin.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/md/dm-thin.c b/drivers/md/dm-thin.c
index 99daf2e..c33f61a4 100644
--- a/drivers/md/dm-thin.c
+++ b/drivers/md/dm-thin.c
@@ -3656,7 +3656,7 @@ static int pool_message(struct dm_target *ti, unsigned argc, char **argv)
if (get_pool_mode(pool) >= PM_READ_ONLY) {
DMERR("%s: unable to service pool target messages in READ_ONLY or FAIL mode",
dm_device_name(pool->pool_md));
- return -EINVAL;
+ return -EOPNOTSUPP;
}
if (!strcasecmp(argv[0], "create_thin"))
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