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authorDenis Vlasenko <vda.linux@googlemail.com>2007-05-24 12:19:56 +0000
committerDenis Vlasenko <vda.linux@googlemail.com>2007-05-24 12:19:56 +0000
commit0fe67b16ce7ba3d5aa0f405bf3c2541210bb5320 (patch)
treeedaab5604e9ca3491eb1c55c878eacccf0cfd41d /networking/udhcp
parentb055001b6a69cf8fd513d36622cf693ee20c0e92 (diff)
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udhcp: socketpair can fail if AF_UNIX is not available (e.g. if module is not loaded).
Error out on that.
Diffstat (limited to 'networking/udhcp')
-rw-r--r--networking/udhcp/signalpipe.c4
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)
36 * and installs the signal handler */ 36 * and installs the signal handler */
37void udhcp_sp_setup(void) 37void udhcp_sp_setup(void)
38{ 38{
39 socketpair(AF_UNIX, SOCK_STREAM, 0, signal_pipe); 39// BTW, why socketpair and not just pipe?
40 if (socketpair(AF_UNIX, SOCK_STREAM, 0, signal_pipe))
41 bb_perror_msg_and_die("socketpair");
40 fcntl(signal_pipe[0], F_SETFD, FD_CLOEXEC); 42 fcntl(signal_pipe[0], F_SETFD, FD_CLOEXEC);
41 fcntl(signal_pipe[1], F_SETFD, FD_CLOEXEC); 43 fcntl(signal_pipe[1], F_SETFD, FD_CLOEXEC);
42 signal(SIGUSR1, signal_handler); 44 signal(SIGUSR1, signal_handler);