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-rw-r--r--src/nspawn/nspawn.c31
1 files changed, 8 insertions, 23 deletions
diff --git a/src/nspawn/nspawn.c b/src/nspawn/nspawn.c
index 5702df8ab4..7451c2bf64 100644
--- a/src/nspawn/nspawn.c
+++ b/src/nspawn/nspawn.c
@@ -1264,16 +1264,7 @@ static int setup_dev_console(const char *dest, const char *console) {
static int setup_kmsg(const char *dest, int kmsg_socket) {
const char *from, *to;
_cleanup_umask_ mode_t u;
- int fd, k;
- union {
- struct cmsghdr cmsghdr;
- uint8_t buf[CMSG_SPACE(sizeof(int))];
- } control = {};
- struct msghdr mh = {
- .msg_control = &control,
- .msg_controllen = sizeof(control),
- };
- struct cmsghdr *cmsg;
+ int fd, r;
assert(kmsg_socket >= 0);
@@ -1298,21 +1289,13 @@ static int setup_kmsg(const char *dest, int kmsg_socket) {
if (fd < 0)
return log_error_errno(errno, "Failed to open fifo: %m");
- cmsg = CMSG_FIRSTHDR(&mh);
- cmsg->cmsg_level = SOL_SOCKET;
- cmsg->cmsg_type = SCM_RIGHTS;
- cmsg->cmsg_len = CMSG_LEN(sizeof(int));
- memcpy(CMSG_DATA(cmsg), &fd, sizeof(int));
-
- mh.msg_controllen = cmsg->cmsg_len;
-
/* Store away the fd in the socket, so that it stays open as
* long as we run the child */
- k = sendmsg(kmsg_socket, &mh, MSG_NOSIGNAL);
+ r = send_one_fd(kmsg_socket, fd);
safe_close(fd);
- if (k < 0)
- return log_error_errno(errno, "Failed to send FIFO fd: %m");
+ if (r < 0)
+ return log_error_errno(r, "Failed to send FIFO fd: %m");
/* And now make the FIFO unavailable as /run/kmsg... */
(void) unlink(from);
@@ -2804,6 +2787,8 @@ static int outer_child(
}
pid_socket = safe_close(pid_socket);
+ kmsg_socket = safe_close(kmsg_socket);
+ rtnl_socket = safe_close(rtnl_socket);
return 0;
}
@@ -3489,8 +3474,8 @@ int main(int argc, char *argv[]) {
}
/* Let the child know that we are ready and wait that the child is completely ready now. */
- if (!barrier_place_and_sync(&barrier)) { /* #5 */
- log_error("Client died too early.");
+ if (!barrier_place_and_sync(&barrier)) { /* #4 */
+ log_error("Child died too early.");
r = -ESRCH;
goto finish;
}