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[PATCH] futex: init error check

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Check register_filesystem() and kern_mount() return values.

Cc: Ingo Molnar <mingo@redhat.com>
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Akinobu Mita 2006-12-06 20:39:03 -08:00 committed by Linus Torvalds
parent 01afb2134e
commit 95362fa903
1 changed files with 8 additions and 2 deletions
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10
kernel/futex.c
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@ -1857,10 +1857,16 @@ static struct file_system_type futex_fs_type = {
static int __init init(void) 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); 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++) { for (i = 0; i < ARRAY_SIZE(futex_queues); i++) {
INIT_LIST_HEAD(&futex_queues[i].chain); INIT_LIST_HEAD(&futex_queues[i].chain);