提交 820d220d 编写于 作者: J James Morris 提交者: Linus Torvalds

[PATCH] Fix capifs bug in initialization error path.

This fixes a bug in the capifs initialization code, where the
filesystem is not unregistered if kern_mount() fails.
Signed-off-by: NJames Morris <jmorris@namei.org>
Signed-off-by: NKarsten Keil <kkeil@suse.de>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
上级 8dbddf17
...@@ -191,8 +191,10 @@ static int __init capifs_init(void) ...@@ -191,8 +191,10 @@ static int __init capifs_init(void)
err = register_filesystem(&capifs_fs_type); err = register_filesystem(&capifs_fs_type);
if (!err) { if (!err) {
capifs_mnt = kern_mount(&capifs_fs_type); capifs_mnt = kern_mount(&capifs_fs_type);
if (IS_ERR(capifs_mnt)) if (IS_ERR(capifs_mnt)) {
err = PTR_ERR(capifs_mnt); err = PTR_ERR(capifs_mnt);
unregister_filesystem(&capifs_fs_type);
}
} }
if (!err) if (!err)
printk(KERN_NOTICE "capifs: Rev %s\n", rev); printk(KERN_NOTICE "capifs: Rev %s\n", rev);
......
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