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>
diff --git a/drivers/infiniband/core/uverbs.h b/drivers/infiniband/core/uverbs.h
index bdc842e..9879568 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); \