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| author | Kangjie Lu <kjlu@umn.edu> | 2019-03-15 16:00:25 -0500 |
|---|---|---|
| committer | James Morris <james.morris@microsoft.com> | 2019-04-10 10:34:29 -0700 |
| commit | d1a0846006e4325cc951ca0b05c02ed1d0865006 (patch) | |
| tree | 53172e71d612f2300b07e4792f35ba02b5416849 /security | |
| parent | 0b9dc6c9f01c4a726558b82a3b6082a89d264eb5 (diff) | |
| download | lwn-d1a0846006e4325cc951ca0b05c02ed1d0865006.tar.gz lwn-d1a0846006e4325cc951ca0b05c02ed1d0865006.zip | |
security: inode: fix a missing check for securityfs_create_file
securityfs_create_file may fail. The fix checks its status and
returns the error code upstream if it fails.
Signed-off-by: Kangjie Lu <kjlu@umn.edu>
Signed-off-by: James Morris <james.morris@microsoft.com>
Diffstat (limited to 'security')
| -rw-r--r-- | security/inode.c | 5 |
1 files changed, 5 insertions, 0 deletions
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; } |