Clear vut->sighup even if sighup_f is not defined

Fixes #3437

Clear vut->sighup even if sighup_f is not defined
Fixes #3437
a9d3d695 · Emanuele Rocca · Martin Blix Grydeland · 3de98332 · a9d3d695
Commit a9d3d695 authored Oct 14, 2020 by Emanuele Rocca Committed by Martin Blix Grydeland Nov 09, 2021
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vut.c lib/libvarnishapi/vut.c +8 -5

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--- a/lib/libvarnishapi/vut.c
+++ b/lib/libvarnishapi/vut.c
@@ -364,12 +364,15 @@ VUT_Main(struct VUT *vut)
 	AN(vut->vslq);

 	while (!vut->sigint) {
-		if (vut->sighup && vut->sighup_f) {
-			/* sighup callback */
+		if (vut->sighup) {
 			vut->sighup = 0;
-			i = vut->sighup_f(vut);
-			if (i)
-				break;
+
+			if (vut->sighup_f) {
+				/* sighup callback */
+				i = vut->sighup_f(vut);
+				if (i)
+					break;
+			}
 		}

 		if (vut->sigusr1) {