diff options
Diffstat (limited to 'arch/sh/include/asm/futex.h')
| -rw-r--r-- | arch/sh/include/asm/futex.h | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/arch/sh/include/asm/futex.h b/arch/sh/include/asm/futex.h index 3190ec89df81..324fa680b13d 100644 --- a/arch/sh/include/asm/futex.h +++ b/arch/sh/include/asm/futex.h @@ -34,7 +34,8 @@ static inline int arch_futex_atomic_op_inuser(int op, u32 oparg, int *oval, u32 oldval, newval, prev; int ret; - pagefault_disable(); + if (!access_ok(uaddr, sizeof(u32))) + return -EFAULT; do { ret = get_user(oldval, uaddr); @@ -67,8 +68,6 @@ static inline int arch_futex_atomic_op_inuser(int op, u32 oparg, int *oval, ret = futex_atomic_cmpxchg_inatomic(&prev, uaddr, oldval, newval); } while (!ret && prev != oldval); - pagefault_enable(); - if (!ret) *oval = oldval; |