s390/chsc: make headers usable
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>
diff --git a/arch/s390/include/asm/chpid.h b/arch/s390/include/asm/chpid.h
index e5bde9f..8af0b92 100644
--- a/arch/s390/include/asm/chpid.h
+++ b/arch/s390/include/asm/chpid.h
@@ -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__