From d384742ed1afa925bb78fd50ff337538f202f19c Mon Sep 17 00:00:00 2001 From: Jason Gunthorpe Date: Fri, 14 Jun 2019 00:13:51 +0000 Subject: [PATCH] RDMA/uverbs: Use offsetofend instead of opencoding Discovered this was available already. Signed-off-by: Jason Gunthorpe Signed-off-by: Doug Ledford --- drivers/infiniband/core/uverbs_cmd.c | 9 +++------ 1 file changed, 3 insertions(+), 6 deletions(-) diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c index 5c00d9a..d13b87d 100644 --- a/drivers/infiniband/core/uverbs_cmd.c +++ b/drivers/infiniband/core/uverbs_cmd.c @@ -3708,9 +3708,6 @@ static int ib_uverbs_ex_modify_cq(struct uverbs_attr_bundle *attrs) * trailing driver_data flex array. In this case the size of the base struct * cannot be changed. */ -#define offsetof_after(_struct, _member) \ - (offsetof(_struct, _member) + sizeof(((_struct *)NULL)->_member)) - #define UAPI_DEF_WRITE_IO(req, resp) \ .write.has_resp = 1 + \ BUILD_BUG_ON_ZERO(offsetof(req, response) != 0) + \ @@ -3741,11 +3738,11 @@ static int ib_uverbs_ex_modify_cq(struct uverbs_attr_bundle *attrs) */ #define UAPI_DEF_WRITE_IO_EX(req, req_last_member, resp, resp_last_member) \ .write.has_resp = 1, \ - .write.req_size = offsetof_after(req, req_last_member), \ - .write.resp_size = offsetof_after(resp, resp_last_member) + .write.req_size = offsetofend(req, req_last_member), \ + .write.resp_size = offsetofend(resp, resp_last_member) #define UAPI_DEF_WRITE_I_EX(req, req_last_member) \ - .write.req_size = offsetof_after(req, req_last_member) + .write.req_size = offsetofend(req, req_last_member) const struct uapi_definition uverbs_def_write_intf[] = { DECLARE_UVERBS_OBJECT( -- 2.7.4