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| author | Zdenek Kabelac <zkabelac@redhat.com> | 2017-11-08 13:44:55 +0100 |
|---|---|---|
| committer | Shaohua Li <shli@fb.com> | 2017-11-10 11:43:04 -0800 |
| commit | 0202ce8a90efdc81600e7bf9712d8c324081a924 (patch) | |
| tree | f260f7241e8fc6e3ed5253374f0eca0e8b9e696a /drivers/md | |
| parent | 97f0eb9f0fec0563c1c796d95123e871b8bb65c0 (diff) | |
| download | linux-0202ce8a90efdc81600e7bf9712d8c324081a924.tar.gz linux-0202ce8a90efdc81600e7bf9712d8c324081a924.tar.bz2 linux-0202ce8a90efdc81600e7bf9712d8c324081a924.zip | |
md: release allocated bitset sync_set
Patch fixes kmemleak on md_stop() path used likely only by dm-raid wrapper.
Code of md is using mddev_put() where both bitsets are released however this
freeing is not shared.
Also set NULL to bio_set and sync_set pointers just like mddev_put is
doing.
Signed-off-by: Zdenek Kabelac <zkabelac@redhat.com>
Signed-off-by: Shaohua Li <shli@fb.com>
Diffstat (limited to 'drivers/md')
| -rw-r--r-- | drivers/md/md.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/md/md.c b/drivers/md/md.c index 15e4668f594c..e014d39159d7 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -5852,8 +5852,14 @@ void md_stop(struct mddev *mddev) * This is called from dm-raid */ __md_stop(mddev); - if (mddev->bio_set) + if (mddev->bio_set) { bioset_free(mddev->bio_set); + mddev->bio_set = NULL; + } + if (mddev->sync_set) { + bioset_free(mddev->sync_set); + mddev->sync_set = NULL; + } } EXPORT_SYMBOL_GPL(md_stop); |