udhcp: socketpair can fail if AF_UNIX is not available (e.g. if module is not loaded).

Error out on that.


git-svn-id: svn://busybox.net/trunk/busybox@18681 69ca8d6d-28ef-0310-b511-8ec308f3f277

1 files changed, 3 insertions, 1 deletions

diff --git a/networking/udhcp/signalpipe.c b/networking/udhcp/signalpipe.c
index 361596580..d52a931a9 100644
--- a/networking/udhcp/signalpipe.c
+++ b/networking/udhcp/signalpipe.c
@@ -36,7 +36,9 @@ static void signal_handler(int sig)
  * and installs the signal handler */
 void udhcp_sp_setup(void)
 {
-        socketpair(AF_UNIX, SOCK_STREAM, 0, signal_pipe);
+// BTW, why socketpair and not just pipe?
+        if (socketpair(AF_UNIX, SOCK_STREAM, 0, signal_pipe))
+                bb_perror_msg_and_die("socketpair");
         fcntl(signal_pipe[0], F_SETFD, FD_CLOEXEC);
         fcntl(signal_pipe[1], F_SETFD, FD_CLOEXEC);
         signal(SIGUSR1, signal_handler);