aboutsummaryrefslogtreecommitdiffstats
path: root/arch/x86/include/asm/uaccess_64.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/x86/include/asm/uaccess_64.h')
-rw-r--r--arch/x86/include/asm/uaccess_64.h5
1 files changed, 2 insertions, 3 deletions
diff --git a/arch/x86/include/asm/uaccess_64.h b/arch/x86/include/asm/uaccess_64.h
index 46324c6a4f6e..535e421498f6 100644
--- a/arch/x86/include/asm/uaccess_64.h
+++ b/arch/x86/include/asm/uaccess_64.h
@@ -30,16 +30,15 @@ static inline unsigned long __must_check copy_from_user(void *to,
30 unsigned long n) 30 unsigned long n)
31{ 31{
32 int sz = __compiletime_object_size(to); 32 int sz = __compiletime_object_size(to);
33 int ret = -EFAULT;
34 33
35 might_fault(); 34 might_fault();
36 if (likely(sz == -1 || sz >= n)) 35 if (likely(sz == -1 || sz >= n))
37 ret = _copy_from_user(to, from, n); 36 n = _copy_from_user(to, from, n);
38#ifdef CONFIG_DEBUG_VM 37#ifdef CONFIG_DEBUG_VM
39 else 38 else
40 WARN(1, "Buffer overflow detected!\n"); 39 WARN(1, "Buffer overflow detected!\n");
41#endif 40#endif
42 return ret; 41 return n;
43} 42}
44 43
45static __always_inline __must_check 44static __always_inline __must_check