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| author | Roberto Sassu <roberto.sassu@huawei.com> | 2023-06-07 19:15:23 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-07-19 17:22:11 +0300 |
| commit | 1f34bf8b442c6d720e7fa6f15e8702427e48aea9 (patch) | |
| tree | 2ae138290365399fa9f68a3dba93737952435af6 /mm | |
| parent | 23fbff67b06d023d179133b93a57f408b5f64985 (diff) | |
| download | linux-1f34bf8b442c6d720e7fa6f15e8702427e48aea9.tar.xz | |
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 'mm')
| -rw-r--r-- | mm/shmem.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/shmem.c b/mm/shmem.c index a8d9fd039d0a..aba041a3df73 100644 --- a/mm/shmem.c +++ b/mm/shmem.c @@ -4137,7 +4137,7 @@ static struct file_system_type shmem_fs_type = { .name = "tmpfs", .init_fs_context = ramfs_init_fs_context, .parameters = ramfs_fs_parameters, - .kill_sb = kill_litter_super, + .kill_sb = ramfs_kill_sb, .fs_flags = FS_USERNS_MOUNT, }; |