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authorAl Viro <viro@zeniv.linux.org.uk>2018-04-03 06:50:31 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-04-24 10:36:38 +0300
commitbb5def77d0a1e41b53f7049fdb0f640408194068 (patch)
treea5bb55fb6183e5cf6a59a4b989cfa2340df4e3be
parentc780ac96e120081a1d2e892f47ce34245ef1cfb2 (diff)
downloadlinux-bb5def77d0a1e41b53f7049fdb0f640408194068.tar.xz
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>
-rw-r--r--arch/s390/hypfs/inode.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/s390/hypfs/inode.c b/arch/s390/hypfs/inode.c
index cf8a2d92467f..45eb5999110b 100644
--- a/arch/s390/hypfs/inode.c
+++ b/arch/s390/hypfs/inode.c
@@ -320,7 +320,7 @@ 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;