Userspace input buffer is not modified by kernel, let it be 'const'. It's also a prerequisite to remove the implicit cast from INIT_UDATA().
Link: http://marc.info/[email protected]> Signed-off-by: Yann Droneaud <[email protected]> --- drivers/infiniband/core/uverbs.h | 2 +- include/rdma/ib_verbs.h | 2 +- 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; -- 1.8.4.2 -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
