[PATCH] btrfs: prevent memory leak

[Navid Emamdoost]

In btrfsic_mount if btrfsic_dev_state_alloc fails the allocated state
will be leaked. It needs to be released on error handling path.

Signed-off-by: Navid Emamdoost <navid.emamdo...@gmail.com>
---
 fs/btrfs/check-integrity.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/btrfs/check-integrity.c b/fs/btrfs/check-integrity.c
index 0b52ab4cb964..8a77b0cb2db3 100644
--- a/fs/btrfs/check-integrity.c
+++ b/fs/btrfs/check-integrity.c
@@ -2941,6 +2941,7 @@ int btrfsic_mount(struct btrfs_fs_info *fs_info,
                if (NULL == ds) {
                        pr_info("btrfs check-integrity: kmalloc() failed!\n");
                        mutex_unlock(&btrfsic_mutex);
+                       kvfree(state);
                        return -ENOMEM;
                }
                ds->bdev = device->bdev;
-- 
2.17.1