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sh64: failing __get_user() should zero

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commit c6852389228df9fb3067f94f3b651de2a7921b36 upstream.

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.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Al Viro 2016-08-21 23:33:47 -04:00 committed by Greg Kroah-Hartman
parent 163a650854
commit 9ce4d2bd80
1 changed files with 1 additions and 0 deletions
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arch/sh/include/asm/uaccess_64.h
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@ -24,6 +24,7 @@
#define __get_user_size(x,ptr,size,retval) \ #define __get_user_size(x,ptr,size,retval) \
do { \ do { \
retval = 0; \ retval = 0; \
x = 0; \
switch (size) { \ switch (size) { \
case 1: \ case 1: \
retval = __get_user_asm_b((void *)&x, \ retval = __get_user_asm_b((void *)&x, \