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Go Back   Linux Archive > Redhat > Device-mapper Development

 
 
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Old 08-04-2011, 10:06 PM
Mike Snitzer
 
Default 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: Zdenek Kabelac <zkabelac@redhat.com> (coverity run)
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
---
drivers/md/dm-flakey.c | 4 +++-
1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/drivers/md/dm-flakey.c b/drivers/md/dm-flakey.c
index 89f73ca..f84c080 100644
--- a/drivers/md/dm-flakey.c
+++ b/drivers/md/dm-flakey.c
@@ -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)
--
1.7.4.4

--
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