tree-wide: add new SIGNAL_VALID() macro-like function that validates signal numbers

[elogind.git] / src / login / logind-session-dbus.c

diff --git a/src/login/logind-session-dbus.c b/src/login/logind-session-dbus.c
index 848e2721859bc3b1fde90c53cb7a88ad4dd6b767..b3535e36dade62e4dd827a8ea0c2e66f31628721 100644 (file)
--- a/src/login/logind-session-dbus.c
+++ b/src/login/logind-session-dbus.c
@@ -28,6 +28,7 @@
 #include "logind-session-device.h"
 #include "logind-session.h"
 #include "logind.h"
+#include "signal-util.h"
 #include "strv.h"
 #include "util.h"
 
@@ -300,7 +301,7 @@ int bus_session_method_kill(sd_bus_message *message, void *userdata, sd_bus_erro
                         return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid kill parameter '%s'", swho);
         }
 
-        if (signo <= 0 || signo >= _NSIG)
+        if (!SIGNAL_VALID(signo))
                 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid signal %i", signo);
 
         r = bus_verify_polkit_async(