diff options
Diffstat (limited to 'kernel/include/asm-generic/futex.h')
| -rw-r--r-- | kernel/include/asm-generic/futex.h | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/kernel/include/asm-generic/futex.h b/kernel/include/asm-generic/futex.h index e56272c91..bf2d34c9d 100644 --- a/kernel/include/asm-generic/futex.h +++ b/kernel/include/asm-generic/futex.h @@ -108,11 +108,15 @@ futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr, u32 val; preempt_disable(); - if (unlikely(get_user(val, uaddr) != 0)) + if (unlikely(get_user(val, uaddr) != 0)) { + preempt_enable(); return -EFAULT; + } - if (val == oldval && unlikely(put_user(newval, uaddr) != 0)) + if (val == oldval && unlikely(put_user(newval, uaddr) != 0)) { + preempt_enable(); return -EFAULT; + } *uval = val; preempt_enable(); |