On Fri, 15 Mar 2019, Kangjie Lu wrote:
> securityfs_create_file may fail. The fix checks its status and
> returns the error code upstream if it fails.
>
> Signed-off-by: Kangjie Lu <k...@umn.edu>
>
Applied to
git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security.git
next-general
> ---
> Return the exact error code upstream.
> ---
> security/inode.c | 5 +++++
> 1 file changed, 5 insertions(+)
>
> diff --git a/security/inode.c b/security/inode.c
> index b7772a9b315e..667f8b15027d 100644
> --- a/security/inode.c
> +++ b/security/inode.c
> @@ -339,6 +339,11 @@ static int __init securityfs_init(void)
> #ifdef CONFIG_SECURITY
> lsm_dentry = securityfs_create_file("lsm", 0444, NULL, NULL,
> &lsm_ops);
> + if (IS_ERR(lsm_dentry)) {
> + unregister_filesystem(&fs_type);
> + sysfs_remove_mount_point(kernel_kobj, "security");
> + return PTR_ERR(lsm_dentry);
> + }
> #endif
> return 0;
> }
>
--
James Morris
<jmor...@namei.org>
