From: Al Viro <viro@zeniv.linux.org.uk>
Date: Fri, 9 Sep 2016 23:23:33 +0000 (-0400)
Subject: microblaze: fix __get_user()
X-Git-Tag: firefly_0821_release~176^2~4^2~28^2~32
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=fdbeffb7a3b3953233cfb6de937fa9e15fa3e292;p=firefly-linux-kernel-4.4.55.git

microblaze: fix __get_user()

commit e98b9e37ae04562d52c96f46b3cf4c2e80222dc1 upstream.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/arch/microblaze/include/asm/uaccess.h b/arch/microblaze/include/asm/uaccess.h
index 331b0d35f89c..905a9c67f6b8 100644
--- a/arch/microblaze/include/asm/uaccess.h
+++ b/arch/microblaze/include/asm/uaccess.h
@@ -227,7 +227,7 @@ extern long __user_bad(void);
 
 #define __get_user(x, ptr)						\
 ({									\
-	unsigned long __gu_val;						\
+	unsigned long __gu_val = 0;					\
 	/*unsigned long __gu_ptr = (unsigned long)(ptr);*/		\
 	long __gu_err;							\
 	switch (sizeof(*(ptr))) {					\