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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>
This commit is contained in:
Yann Droneaud 2013-12-11 23:01:44 +01:00 committed by Roland Dreier
parent 374b105797
commit 309243ec14
2 changed files with 2 additions and 2 deletions
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2
drivers/infiniband/core/uverbs.h
View File

@ -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); \

2
include/rdma/ib_verbs.h
View File

@ -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;