Btrfs: Fix memory leak on finding existing super

We missed a memory deallocation in commit 450ba0ea. If an existing super block is found at mount and there is no error condition then the pre-allocated tree_root and fs_info are no not used and are not freeded. Signed-off-by: Ian Kent <raven@themaw.net> Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>

Btrfs: Fix memory leak on finding existing super
We missed a memory deallocation in commit 450ba0ea. If an existing super block is found at mount and there is no error condition then the pre-allocated tree_root and fs_info are no not used and are not freeded. Signed-off-by: Ian Kent <raven@themaw.net> Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Ian Kent · Li Zefan
1 parent 83a4d54840
Showing 1 changed file with 2 additions and 0 deletions Side-by-side Diff
fs/btrfs/super.c
@@ -654,6 +654,8 @@
 		}
  
 		btrfs_close_devices(fs_devices);
+		kfree(fs_info);
+		kfree(tree_root);
 	} else {
 		char b[BDEVNAME_SIZE];
...	...	@@ -654,6 +654,8 @@
654	654	}
655	655
656	656	btrfs_close_devices(fs_devices);
	657	+ kfree(fs_info);
	658	+ kfree(tree_root);
657	659	} else {
658	660	char b[BDEVNAME_SIZE];
659	661