sensors: avoid passing nil pointer to CFArrayGetCount

5 months ago · 10d9c04c2e
parent 45e3591650
commit 10d9c04c2e
1 changed files with 8 additions and 0 deletions
--- a/sensors/sensors_darwin_arm64.go
+++ b/sensors/sensors_darwin_arm64.go
@ -96,6 +96,10 @@ func (ta *temperatureArm) getProductNames() []string {
 	ta.ioHIDEventSystemClientSetMatching(uintptr(system), uintptr(ta.sensors))
 	matchingsrvs := ta.ioHIDEventSystemClientCopyServices(uintptr(system))

+	if matchingsrvs == nil {
+		return nil
+	}
+
 	count := ta.cfArrayGetCount(uintptr(matchingsrvs))

 	var i int32
@ -130,6 +134,10 @@ func (ta *temperatureArm) getThermalValues() []float64 {
 	ta.ioHIDEventSystemClientSetMatching(uintptr(system), uintptr(ta.sensors))
 	matchingsrvs := ta.ioHIDEventSystemClientCopyServices(uintptr(system))

+	if matchingsrvs == nil {
+		return nil
+	}
+
 	count := ta.cfArrayGetCount(uintptr(matchingsrvs))

 	var values []float64