Commit 68e58a29 authored by Mike Snitzer's avatar Mike Snitzer Committed by Alasdair G Kergon

dm: flakey fix corrupt_bio_byte error path

If no arguments were provided to the corrupt_bio_byte feature an error
should be returned immediately.
Reported-by: default avatarZdenek Kabelac <>
Signed-off-by: default avatarMike Snitzer <>
Signed-off-by: default avatarAlasdair G Kergon <>
parent d93dc5c4
......@@ -81,8 +81,10 @@ static int parse_features(struct dm_arg_set *as, struct flakey_c *fc,
* corrupt_bio_byte <Nth_byte> <direction> <value> <bio_flags>
if (!strcasecmp(arg_name, "corrupt_bio_byte")) {
if (!argc)
if (!argc) {
ti->error = "Feature corrupt_bio_byte requires parameters";
return -EINVAL;
r = dm_read_arg(_args + 1, as, &fc->corrupt_bio_byte, &ti->error);
if (r)
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