X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=arch%2Fx86%2Finclude%2Fasm%2Fuaccess.h;h=a0ae610b9280183fc1ca42ddd3fcc45333b433c5;hb=1eccfa090eaea22558570054bbdc147817e1df5e;hp=52f230094c51a51465547f9171571430d8f800c1;hpb=1bd4403d86a1c06cb6cc9ac87664a0c9d3413d51;p=deliverable%2Flinux.git

diff --git a/arch/x86/include/asm/uaccess.h b/arch/x86/include/asm/uaccess.h
index 52f230094c51..a0ae610b9280 100644
--- a/arch/x86/include/asm/uaccess.h
+++ b/arch/x86/include/asm/uaccess.h
@@ -761,9 +761,10 @@ copy_from_user(void *to, const void __user *from, unsigned long n)
 	 * case, and do only runtime checking for non-constant sizes.
 	 */
 
-	if (likely(sz < 0 || sz >= n))
+	if (likely(sz < 0 || sz >= n)) {
+		check_object_size(to, n, false);
 		n = _copy_from_user(to, from, n);
-	else if(__builtin_constant_p(n))
+	} else if (__builtin_constant_p(n))
 		copy_from_user_overflow();
 	else
 		__copy_from_user_overflow(sz, n);
@@ -781,9 +782,10 @@ copy_to_user(void __user *to, const void *from, unsigned long n)
 	might_fault();
 
 	/* See the comment in copy_from_user() above. */
-	if (likely(sz < 0 || sz >= n))
+	if (likely(sz < 0 || sz >= n)) {
+		check_object_size(from, n, true);
 		n = _copy_to_user(to, from, n);
-	else if(__builtin_constant_p(n))
+	} else if (__builtin_constant_p(n))
 		copy_to_user_overflow();
 	else
 		__copy_to_user_overflow(sz, n);