Commit 1cdd2edb authored by Al Viro's avatar Al Viro Committed by Jiri Slaby

s390: get_user() should zero on failure

commit fd2d2b19 upstream.
Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
Signed-off-by: default avatarJiri Slaby <jslaby@suse.cz>
parent 9931f8fe
...@@ -164,28 +164,28 @@ extern int __put_user_bad(void) __attribute__((noreturn)); ...@@ -164,28 +164,28 @@ extern int __put_user_bad(void) __attribute__((noreturn));
__chk_user_ptr(ptr); \ __chk_user_ptr(ptr); \
switch (sizeof(*(ptr))) { \ switch (sizeof(*(ptr))) { \
case 1: { \ case 1: { \
unsigned char __x; \ unsigned char __x = 0; \
__gu_err = __get_user_fn(sizeof (*(ptr)), \ __gu_err = __get_user_fn(sizeof (*(ptr)), \
ptr, &__x); \ ptr, &__x); \
(x) = *(__force __typeof__(*(ptr)) *) &__x; \ (x) = *(__force __typeof__(*(ptr)) *) &__x; \
break; \ break; \
}; \ }; \
case 2: { \ case 2: { \
unsigned short __x; \ unsigned short __x = 0; \
__gu_err = __get_user_fn(sizeof (*(ptr)), \ __gu_err = __get_user_fn(sizeof (*(ptr)), \
ptr, &__x); \ ptr, &__x); \
(x) = *(__force __typeof__(*(ptr)) *) &__x; \ (x) = *(__force __typeof__(*(ptr)) *) &__x; \
break; \ break; \
}; \ }; \
case 4: { \ case 4: { \
unsigned int __x; \ unsigned int __x = 0; \
__gu_err = __get_user_fn(sizeof (*(ptr)), \ __gu_err = __get_user_fn(sizeof (*(ptr)), \
ptr, &__x); \ ptr, &__x); \
(x) = *(__force __typeof__(*(ptr)) *) &__x; \ (x) = *(__force __typeof__(*(ptr)) *) &__x; \
break; \ break; \
}; \ }; \
case 8: { \ case 8: { \
unsigned long long __x; \ unsigned long long __x = 0; \
__gu_err = __get_user_fn(sizeof (*(ptr)), \ __gu_err = __get_user_fn(sizeof (*(ptr)), \
ptr, &__x); \ ptr, &__x); \
(x) = *(__force __typeof__(*(ptr)) *) &__x; \ (x) = *(__force __typeof__(*(ptr)) *) &__x; \
......
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