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authorAl Viro <viro@zeniv.linux.org.uk>2016-08-22 06:33:47 +0300
committerAl Viro <viro@zeniv.linux.org.uk>2016-09-14 00:50:14 +0300
commitc6852389228df9fb3067f94f3b651de2a7921b36 (patch)
tree2a3d96bc3ef420a05304aaf301ea204a5314615f /arch/sh
parentb615e3c74621e06cd97f86373ca90d43d6d998aa (diff)
downloadlinux-c6852389228df9fb3067f94f3b651de2a7921b36.tar.xz
sh64: failing __get_user() should zero
It could be done in exception-handling bits in __get_user_b() et.al., but the surgery involved would take more knowledge of sh64 details than I have or _want_ to have. Cc: stable@vger.kernel.org Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'arch/sh')
-rw-r--r--arch/sh/include/asm/uaccess_64.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/sh/include/asm/uaccess_64.h b/arch/sh/include/asm/uaccess_64.h
index c01376c76b86..ca5073dd4596 100644
--- a/arch/sh/include/asm/uaccess_64.h
+++ b/arch/sh/include/asm/uaccess_64.h
@@ -24,6 +24,7 @@
#define __get_user_size(x,ptr,size,retval) \
do { \
retval = 0; \
+ x = 0; \
switch (size) { \
case 1: \
retval = __get_user_asm_b((void *)&x, \