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-rw-r--r--src/core/unit.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/core/unit.c b/src/core/unit.c
index c028f57f13..a8174e6041 100644
--- a/src/core/unit.c
+++ b/src/core/unit.c
@@ -47,6 +47,7 @@
#include "path-util.h"
#include "process-util.h"
#include "set.h"
+#include "signal-util.h"
#include "special.h"
#include "stat-util.h"
#include "stdio-util.h"
@@ -3062,8 +3063,7 @@ bool unit_active_or_pending(Unit *u) {
int unit_kill(Unit *u, KillWho w, int signo, sd_bus_error *error) {
assert(u);
assert(w >= 0 && w < _KILL_WHO_MAX);
- assert(signo > 0);
- assert(signo < _NSIG);
+ assert(SIGNAL_VALID(signo));
if (!UNIT_VTABLE(u)->kill)
return -EOPNOTSUPP;