diff options
| author | Roberto Sassu <roberto.sassu@huawei.com> | 2023-06-07 18:15:23 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-07-19 16:22:11 +0200 |
| commit | 1f34bf8b442c6d720e7fa6f15e8702427e48aea9 (patch) | |
| tree | 2ae138290365399fa9f68a3dba93737952435af6 /fs/ramfs | |
| parent | 23fbff67b06d023d179133b93a57f408b5f64985 (diff) | |
| download | linux-1f34bf8b442c6d720e7fa6f15e8702427e48aea9.tar.gz | |
shmem: use ramfs_kill_sb() for kill_sb method of ramfs-based tmpfs
commit 36ce9d76b0a93bae799e27e4f5ac35478c676592 upstream.
As the ramfs-based tmpfs uses ramfs_init_fs_context() for the
init_fs_context method, which allocates fc->s_fs_info, use ramfs_kill_sb()
to free it and avoid a memory leak.
Link: https://lkml.kernel.org/r/20230607161523.2876433-1-roberto.sassu@huaweicloud.com
Fixes: c3b1b1cbf002 ("ramfs: add support for "mode=" mount option")
Signed-off-by: Roberto Sassu <roberto.sassu@huawei.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: David Howells <dhowells@redhat.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs/ramfs')
| -rw-r--r-- | fs/ramfs/inode.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/ramfs/inode.c b/fs/ramfs/inode.c index b3257e852820..f368a16906fb 100644 --- a/fs/ramfs/inode.c +++ b/fs/ramfs/inode.c @@ -278,7 +278,7 @@ int ramfs_init_fs_context(struct fs_context *fc) return 0; } -static void ramfs_kill_sb(struct super_block *sb) +void ramfs_kill_sb(struct super_block *sb) { kfree(sb->s_fs_info); kill_litter_super(sb); |