Module Name: src
Committed By: riastradh
Date: Sun Dec 19 01:39:41 UTC 2021
Modified Files:
src/sys/external/bsd/drm2/include/asm: uaccess.h
Log Message:
Safe unsafe uaccess stubs.
To generate a diff of this commit:
cvs rdiff -u -r1.5 -r1.6 src/sys/external/bsd/drm2/include/asm/uaccess.h
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/external/bsd/drm2/include/asm/uaccess.h
diff -u src/sys/external/bsd/drm2/include/asm/uaccess.h:1.5 src/sys/external/bsd/drm2/include/asm/uaccess.h:1.6
--- src/sys/external/bsd/drm2/include/asm/uaccess.h:1.5 Sun Dec 19 00:55:01 2021
+++ src/sys/external/bsd/drm2/include/asm/uaccess.h Sun Dec 19 01:39:41 2021
@@ -1,4 +1,4 @@
-/* $NetBSD: uaccess.h,v 1.5 2021/12/19 00:55:01 riastradh Exp $ */
+/* $NetBSD: uaccess.h,v 1.6 2021/12/19 01:39:41 riastradh Exp $ */
/*-
* Copyright (c) 2013 The NetBSD Foundation, Inc.
@@ -72,6 +72,17 @@ copy_to_user(void *user_addr, const void
copy_to_user((USER_PTR), &__put_user_tmp, sizeof(__put_user_tmp)); \
})
+#define __get_user get_user
+#define __put_user put_user
+
+#define user_access_begin() __nothing
+#define user_access_end() __nothing
+
+#define unsafe_put_user(KERNEL_RVAL, USER_PTR, LABEL) do { \
+ if (__put_user(KERNEL_RVAL, USER_PTR)) \
+ goto LABEL; \
+} while (0)
+
static inline size_t
clear_user(void __user *user_ptr, size_t size)
{
