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-rw-r--r--arch/mips/include/asm/futex.h5
1 files changed, 2 insertions, 3 deletions
diff --git a/arch/mips/include/asm/futex.h b/arch/mips/include/asm/futex.h
index 110220705e97..2bf8f6014579 100644
--- a/arch/mips/include/asm/futex.h
+++ b/arch/mips/include/asm/futex.h
@@ -89,7 +89,8 @@ arch_futex_atomic_op_inuser(int op, int oparg, int *oval, u32 __user *uaddr)
{
int oldval = 0, ret;
- pagefault_disable();
+ if (!access_ok(uaddr, sizeof(u32)))
+ return -EFAULT;
switch (op) {
case FUTEX_OP_SET:
@@ -116,8 +117,6 @@ arch_futex_atomic_op_inuser(int op, int oparg, int *oval, u32 __user *uaddr)
ret = -ENOSYS;
}
- pagefault_enable();
-
if (!ret)
*oval = oldval;