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authorYann Droneaud <ydroneaud@opteya.com>2013-12-11 23:01:44 +0100
committerRoland Dreier <roland@purestorage.com>2013-12-16 10:38:28 -0800
commit309243ec14fde1149e1c66f19746e239e86caf39 (patch)
treee17f84787379b97511c68b8103414581c163cca9
parent374b105797c3d4f29c685f3be535c35f5689b30e (diff)
downloadlinux-309243ec14fde1149e1c66f19746e239e86caf39.tar.bz2
IB/core: const'ify inbuf in struct ib_udata
Userspace input buffer is not modified by kernel, so it can be 'const'. This is also a prerequisite to remove the implicit cast from INIT_UDATA(). Link: http://marc.info/?i=cover.1386798254.git.ydroneaud@opteya.com> Signed-off-by: Yann Droneaud <ydroneaud@opteya.com> Signed-off-by: Roland Dreier <roland@purestorage.com>
-rw-r--r--drivers/infiniband/core/uverbs.h2
-rw-r--r--include/rdma/ib_verbs.h2
2 files changed, 2 insertions, 2 deletions
diff --git a/drivers/infiniband/core/uverbs.h b/drivers/infiniband/core/uverbs.h
index bdc842e9faef..9879568aed8c 100644
--- a/drivers/infiniband/core/uverbs.h
+++ b/drivers/infiniband/core/uverbs.h
@@ -49,7 +49,7 @@
#define INIT_UDATA(udata, ibuf, obuf, ilen, olen) \
do { \
- (udata)->inbuf = (void __user *) (ibuf); \
+ (udata)->inbuf = (const void __user *) (ibuf); \
(udata)->outbuf = (void __user *) (obuf); \
(udata)->inlen = (ilen); \
(udata)->outlen = (olen); \
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index 979874c627ee..61e1935c91b1 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -978,7 +978,7 @@ struct ib_uobject {
};
struct ib_udata {
- void __user *inbuf;
+ const void __user *inbuf;
void __user *outbuf;
size_t inlen;
size_t outlen;