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| author | Denis Vlasenko <vda.linux@googlemail.com> | 2007-05-24 12:19:56 +0000 |
|---|---|---|
| committer | Denis Vlasenko <vda.linux@googlemail.com> | 2007-05-24 12:19:56 +0000 |
| commit | 0fe67b16ce7ba3d5aa0f405bf3c2541210bb5320 (patch) | |
| tree | edaab5604e9ca3491eb1c55c878eacccf0cfd41d /networking/udhcp/signalpipe.c | |
| parent | b055001b6a69cf8fd513d36622cf693ee20c0e92 (diff) | |
| download | busybox-0fe67b16ce7ba3d5aa0f405bf3c2541210bb5320.tar.gz | |
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/signalpipe.c')
| -rw-r--r-- | networking/udhcp/signalpipe.c | 4 |
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); |