From 95362fa90312ff2d52c0b4d42412cd7ceeb3b89b Mon Sep 17 00:00:00 2001 From: Akinobu Mita Date: Wed, 6 Dec 2006 20:39:03 -0800 Subject: [PATCH] futex: init error check Check register_filesystem() and kern_mount() return values. Cc: Ingo Molnar Signed-off-by: Akinobu Mita Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- kernel/futex.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) (limited to 'kernel/futex.c') diff --git a/kernel/futex.c b/kernel/futex.c index 7c0d0d4fa7f..d60b7f7a8cc 100644 --- a/kernel/futex.c +++ b/kernel/futex.c @@ -1857,10 +1857,16 @@ static struct file_system_type futex_fs_type = { static int __init init(void) { - unsigned int i; + int i = register_filesystem(&futex_fs_type); + + if (i) + return i; - register_filesystem(&futex_fs_type); futex_mnt = kern_mount(&futex_fs_type); + if (IS_ERR(futex_mnt)) { + unregister_filesystem(&futex_fs_type); + return PTR_ERR(futex_mnt); + } for (i = 0; i < ARRAY_SIZE(futex_queues); i++) { INIT_LIST_HEAD(&futex_queues[i].chain); -- cgit v1.2.3-18-g5258