diff options
Diffstat (limited to 'arch/parisc/include/asm/futex.h')
| -rw-r--r-- | arch/parisc/include/asm/futex.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/arch/parisc/include/asm/futex.h b/arch/parisc/include/asm/futex.h index d2c3e4106851..c10cc9010cc1 100644 --- a/arch/parisc/include/asm/futex.h +++ b/arch/parisc/include/asm/futex.h @@ -39,8 +39,10 @@ arch_futex_atomic_op_inuser(int op, int oparg, int *oval, u32 __user *uaddr) int oldval, ret; u32 tmp; + if (!access_ok(uaddr, sizeof(u32))) + return -EFAULT; + _futex_spin_lock_irqsave(uaddr, &flags); - pagefault_disable(); ret = -EFAULT; if (unlikely(get_user(oldval, uaddr) != 0)) @@ -73,7 +75,6 @@ arch_futex_atomic_op_inuser(int op, int oparg, int *oval, u32 __user *uaddr) ret = -EFAULT; out_pagefault_enable: - pagefault_enable(); _futex_spin_unlock_irqrestore(uaddr, &flags); if (!ret) |