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| author | Oleg Drokin <green@linuxhacker.ru> | 2015-04-26 01:28:43 -0400 |
|---|---|---|
| committer | Jens Axboe <axboe@fb.com> | 2015-11-25 09:22:03 -0700 |
| commit | 706447861bb210cf2fb6a58bc1d29a6636175987 (patch) | |
| tree | b81c71120e9589293608495d1236752d76209023 /drivers | |
| parent | 5bded4effb601d9f92382db38fd501f98692eb2d (diff) | |
| download | linux-706447861bb210cf2fb6a58bc1d29a6636175987.tar.gz linux-706447861bb210cf2fb6a58bc1d29a6636175987.tar.bz2 linux-706447861bb210cf2fb6a58bc1d29a6636175987.zip | |
drbd: fix memory leak in drbd_adm_resize
new_disk_conf could be leaked if the follow on checks fail,
so make sure to free it on error if it was not assigned yet.
Found with smatch.
Signed-off-by: Oleg Drokin <green@linuxhacker.ru>
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/block/drbd/drbd_nl.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/block/drbd/drbd_nl.c b/drivers/block/drbd/drbd_nl.c index ee34739ee9ff..613778994b23 100644 --- a/drivers/block/drbd/drbd_nl.c +++ b/drivers/block/drbd/drbd_nl.c @@ -2706,6 +2706,7 @@ int drbd_adm_resize(struct sk_buff *skb, struct genl_info *info) mutex_unlock(&device->resource->conf_update); synchronize_rcu(); kfree(old_disk_conf); + new_disk_conf = NULL; } ddsf = (rs.resize_force ? DDSF_FORCED : 0) | (rs.no_resync ? DDSF_NO_RESYNC : 0); @@ -2739,6 +2740,7 @@ int drbd_adm_resize(struct sk_buff *skb, struct genl_info *info) fail_ldev: put_ldev(device); + kfree(new_disk_conf); goto fail; } |