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Commit 309243ec authored by Yann Droneaud's avatar Yann Droneaud Committed by Roland Dreier
Browse files

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

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Signed-off-by: default avatarYann Droneaud <ydroneaud@opteya.com>
Signed-off-by: default avatarRoland Dreier <roland@purestorage.com>
parent 374b1057

drivers/infiniband/core/uverbs.h

+1 −1
Original line number Diff line number Diff line
@@ -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);				\

include/rdma/ib_verbs.h

+1 −1
Original line number Diff line number Diff line
@@ -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;