new helper: uaccess_kernel()

commit db68ce1 upstream. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> [only take the include/linux/uaccess.h portion - gregkh] Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
mariux64 · Nov 27, 2018 · 9265b0a · 9265b0a
1 parent 4c23544
commit 9265b0a
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/include/linux/uaccess.h b/include/linux/uaccess.h
@@ -2,6 +2,9 @@
 #define __LINUX_UACCESS_H__
 
 #include <linux/preempt.h>
+
+#define uaccess_kernel() segment_eq(get_fs(), KERNEL_DS)
+
 #include <asm/uaccess.h>
 
 /*