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Diffstat (limited to 'tools/testing/selftests/net/af_unix/scm_rights.c')
-rw-r--r--tools/testing/selftests/net/af_unix/scm_rights.c28
1 files changed, 13 insertions, 15 deletions
diff --git a/tools/testing/selftests/net/af_unix/scm_rights.c b/tools/testing/selftests/net/af_unix/scm_rights.c
index 8b015f16c03d..914f99d153ce 100644
--- a/tools/testing/selftests/net/af_unix/scm_rights.c
+++ b/tools/testing/selftests/net/af_unix/scm_rights.c
@@ -271,20 +271,11 @@ void __send_fd(struct __test_metadata *_metadata,
{
#define MSG "x"
#define MSGLEN 1
- struct {
- struct cmsghdr cmsghdr;
- int fd[2];
- } cmsg = {
- .cmsghdr = {
- .cmsg_len = CMSG_LEN(sizeof(cmsg.fd)),
- .cmsg_level = SOL_SOCKET,
- .cmsg_type = SCM_RIGHTS,
- },
- .fd = {
- self->fd[inflight * 2],
- self->fd[inflight * 2],
- },
+ int fds[2] = {
+ self->fd[inflight * 2],
+ self->fd[inflight * 2],
};
+ char cmsg_buf[CMSG_SPACE(sizeof(fds))];
struct iovec iov = {
.iov_base = MSG,
.iov_len = MSGLEN,
@@ -294,11 +285,18 @@ void __send_fd(struct __test_metadata *_metadata,
.msg_namelen = 0,
.msg_iov = &iov,
.msg_iovlen = 1,
- .msg_control = &cmsg,
- .msg_controllen = CMSG_SPACE(sizeof(cmsg.fd)),
+ .msg_control = cmsg_buf,
+ .msg_controllen = sizeof(cmsg_buf),
};
+ struct cmsghdr *cmsg;
int ret;
+ cmsg = CMSG_FIRSTHDR(&msg);
+ cmsg->cmsg_level = SOL_SOCKET;
+ cmsg->cmsg_type = SCM_RIGHTS;
+ cmsg->cmsg_len = CMSG_LEN(sizeof(fds));
+ memcpy(CMSG_DATA(cmsg), fds, sizeof(fds));
+
ret = sendmsg(self->fd[receiver * 2 + 1], &msg, variant->flags);
if (variant->disabled) {