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s390/uaccess: make setfs macro return void

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For an unknown (historic) reason the s390 specific implementation of
set_fs returns whatever the __ctl_load would return. The set_fs macro
however is supposed to return void.
Change the macro to do that.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Heiko Carstens 2016-11-14 14:28:51 +01:00 committed by Martin Schwidefsky
parent a95aeb2ff4
commit 56e9219a82
1 changed files with 3 additions and 3 deletions
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6
arch/s390/include/asm/uaccess.h
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@ -37,14 +37,14 @@
#define get_ds() (KERNEL_DS)
#define get_fs() (current->thread.mm_segment)
#define set_fs(x) \
({ \
#define set_fs(x) \
{ \
unsigned long __pto; \
current->thread.mm_segment = (x); \
__pto = current->thread.mm_segment.ar4 ? \
S390_lowcore.user_asce : S390_lowcore.kernel_asce; \
__ctl_load(__pto, 7, 7); \
})
}
#define segment_eq(a,b) ((a).ar4 == (b).ar4)