Commit d1a08460 authored Mar 15, 2019 by Kangjie Lu Committed by James Morris Apr 10, 2019

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>

parent 0b9dc6c9

security/inode.c

+5 −0

Original line number	Diff line number	Diff line
		@@ -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;
		}