pkg/ipc: fix reflect.SliceHeader misuse

Pointed by golangci-lint. For context see golang/go#40701
dvyukov · Feb 22, 2021 · 4fb2824 · 4fb2824
1 parent c26fb06
commit 4fb2824
Showing 1 changed file with 5 additions and 6 deletions.
diff --git a/pkg/ipc/ipc.go b/pkg/ipc/ipc.go
@@ -467,12 +467,11 @@ func readUint32Array(outp *[]byte, size uint32) ([]uint32, bool) {
 	if int(size)*4 > len(out) {
 		return nil, false
 	}
-	hdr := reflect.SliceHeader{
-		Data: uintptr(unsafe.Pointer(&out[0])),
-		Len:  int(size),
-		Cap:  int(size),
-	}
-	res := *(*[]uint32)(unsafe.Pointer(&hdr))
+	var res []uint32
+	hdr := (*reflect.SliceHeader)((unsafe.Pointer(&res)))
+	hdr.Data = uintptr(unsafe.Pointer(&out[0]))
+	hdr.Len = int(size)
+	hdr.Cap = int(size)
 	*outp = out[size*4:]
 	return res, true
 }