X-Git-Url: https://git.dogcows.com/gitweb?a=blobdiff_plain;f=src%2Futil%2Ftimer.c;fp=src%2Futil%2Ftimer.c;h=e218877946dec17bdf0263b47257d8368227b659;hb=fe019d7c8ab1bc45aa0690028e108f44bb99a467;hp=59064dd1eddfde834fb9354be6c8daa46eb02d98;hpb=1b1f2a1a069edcf3db99ae07020eeedae3023f76;p=chaz%2Ftint2

diff --git a/src/util/timer.c b/src/util/timer.c
index 59064dd..e218877 100644
--- a/src/util/timer.c
+++ b/src/util/timer.c
@@ -25,7 +25,7 @@ GSList* timer_list = 0;
 
 int install_timer(int value_sec, int value_nsec, int interval_sec, int interval_nsec, void (*_callback)())
 {
-	if ( value_sec < 0 || interval_sec < 0 )
+	if ( value_sec < 0 || interval_sec < 0 || _callback == 0 )
 		return -1;
 
 	int timer_fd;