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authorHeiko Carstens <heiko.carstens@de.ibm.com>2011-05-26 09:48:25 +0200
committerHeiko Carstens <heiko.carstens@de.ibm.com>2011-05-26 09:48:25 +0200
commit7683f7444875c822f48f03a9f9c8b1b1e98b2ef0 (patch)
treea085425ba2a6bca8ea67d98f1567174e427168ec /arch/s390
parentd7b250e2a2d7f3cd23cf8d8d6689285e6f51a98d (diff)
downloadblackbird-op-linux-7683f7444875c822f48f03a9f9c8b1b1e98b2ef0.tar.gz
blackbird-op-linux-7683f7444875c822f48f03a9f9c8b1b1e98b2ef0.zip
[S390] uaccess: turn __access_ok() into a define
Turn __access_ok() into a define and add a __chk_user_ptr() call instead. Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390')
-rw-r--r--arch/s390/include/asm/uaccess.h11
1 files changed, 6 insertions, 5 deletions
diff --git a/arch/s390/include/asm/uaccess.h b/arch/s390/include/asm/uaccess.h
index 2d9ea11f919a..2b23885e81e9 100644
--- a/arch/s390/include/asm/uaccess.h
+++ b/arch/s390/include/asm/uaccess.h
@@ -49,12 +49,13 @@
#define segment_eq(a,b) ((a).ar4 == (b).ar4)
+#define __access_ok(addr, size) \
+({ \
+ __chk_user_ptr(addr); \
+ 1; \
+})
-static inline int __access_ok(const void __user *addr, unsigned long size)
-{
- return 1;
-}
-#define access_ok(type,addr,size) __access_ok(addr,size)
+#define access_ok(type, addr, size) __access_ok(addr, size)
/*
* The exception table consists of pairs of addresses: the first is the
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