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s390/chsc: make headers usable

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Make sure that exported headers are save to be included by userspace
exploiting /dev/chsc.

Reported-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Sebastian Ott
2012-10-05 10:43:31 +02:00
committed by Martin Schwidefsky
parent 9be5f34f3f
commit 4dcc2a4d6c
2 changed files with 11 additions and 9 deletions
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10
arch/s390/include/asm/chpid.h
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@@ -1,5 +1,5 @@
/*
* Copyright IBM Corp. 2007
* Copyright IBM Corp. 2007, 2012
* Author(s): Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
*/
@@ -12,10 +12,10 @@
#define __MAX_CHPID 255
struct chp_id {
u8 reserved1;
u8 cssid;
u8 reserved2;
u8 id;
__u8 reserved1;
__u8 cssid;
__u8 reserved2;
__u8 id;
} __attribute__((packed));
#ifdef __KERNEL__