diff options
| author | Al Viro <viro@zeniv.linux.org.uk> | 2018-04-02 23:50:31 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-04-24 09:34:17 +0200 |
| commit | f3ba3eaaee8bc8c07d58d2a6050f9892ba01c306 (patch) | |
| tree | 56b2e7f81e75b2298f59c40f5785240d1803964c /arch | |
| parent | 02d20e670e6ba449ff2d75c3c91771b68543bb71 (diff) | |
hypfs_kill_super(): deal with failed allocations
commit a24cd490739586a7d2da3549a1844e1d7c4f4fc4 upstream.
hypfs_fill_super() might fail to allocate sbi; hypfs_kill_super()
should not oops on that.
Cc: stable@vger.kernel.org
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/s390/hypfs/inode.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/s390/hypfs/inode.c b/arch/s390/hypfs/inode.c index 09bccb224d03..2a17123130d3 100644 --- a/arch/s390/hypfs/inode.c +++ b/arch/s390/hypfs/inode.c @@ -318,7 +318,7 @@ static void hypfs_kill_super(struct super_block *sb) if (sb->s_root) hypfs_delete_tree(sb->s_root); - if (sb_info->update_file) + if (sb_info && sb_info->update_file) hypfs_remove(sb_info->update_file); kfree(sb->s_fs_info); sb->s_fs_info = NULL; |