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authorRoberto Sassu <roberto.sassu@huawei.com>2023-06-07 19:15:23 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2023-07-27 09:44:13 +0300
commit5fada375113767b3b57f1b04f7a4fe64ffaa626f (patch)
treea5e317470ca9f14b5cef3a5f9d666fd5728bd179 /fs
parent79bef379d55a66deaad5f491af4e4261b61b2470 (diff)
downloadlinux-5fada375113767b3b57f1b04f7a4fe64ffaa626f.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 'fs')
-rw-r--r--fs/ramfs/inode.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/ramfs/inode.c b/fs/ramfs/inode.c
index ee179a81b3da..23d2c333066f 100644
--- a/fs/ramfs/inode.c
+++ b/fs/ramfs/inode.c
@@ -264,7 +264,7 @@ 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);