device: random screen-related fixes.

Signed-off-by: Gediminas Jakutis <gediminas@varciai.lt>

1 files changed, 2 insertions, 4 deletions

diff --git a/src/device/device_network.cpp b/src/device/device_network.cpp
index 1810852..e526519 100644
--- a/src/device/device_network.cpp
+++ b/src/device/device_network.cpp
@@ -63,10 +63,8 @@ int udp_flush(void)
 size_t udp_get_data(char *buf, size_t size)
 {
 	size_t ret;
-	if (state.udp.available() != 0) {
-		ret = state.udp.read(buf, size);
-	} else {
-		ret = 0;
+	if ((ret = state.udp.available())) {
+		state.udp.read(buf, size);
 	}
 	return ret;
 }