it should work even if you don't assign a pidfile

1 files changed, 7 insertions, 6 deletions

diff --git a/networking/udhcp/common.c b/networking/udhcp/common.c
index bfdc7ba8d..8542c664c 100644
--- a/networking/udhcp/common.c
+++ b/networking/udhcp/common.c
@@ -59,15 +59,14 @@ void background(const char *pidfile)
 #else /* __uClinux__ */
 	int pid_fd;
 
-	if (!pidfile) return;
-
-	pid_fd = pidfile_acquire(pidfile); /* hold lock during fork. */
+	/* hold lock during fork. */
+	if (pidfile) pid_fd = pidfile_acquire(pidfile);
 	if (daemon(0, 0) == -1) {
 		perror("fork");
 		exit(1);
 	}
 	daemonized++;
-	pidfile_write_release(pid_fd);
+	if (pidfile) pidfile_write_release(pid_fd);
 #endif /* __uClinux__ */
 }
 
@@ -97,8 +96,10 @@ void start_log_and_pid(const char *client_server, const char *pidfile)
 	sanitize_fds();
 
 	/* do some other misc startup stuff while we are here to save bytes */
-	pid_fd = pidfile_acquire(pidfile);
-	pidfile_write_release(pid_fd);
+	if (pidfile) {
+		pid_fd = pidfile_acquire(pidfile);
+		pidfile_write_release(pid_fd);
+	}
 
 	/* equivelent of doing a fflush after every \n */
 	setlinebuf(stdout);