rpmsg_virtio: fix rpmsg_virtio_get_tx_payload_buffer() error

If rpmsg_virtio_notify_wait() returns RPMSG_SUCCESS, we should not directly return NULL, but call rpmsg_virtio_get_tx_buffer to get the tx buffer again. Signed-off-by: Yongrong Wang <[email protected]> Signed-off-by: Bowen Wang <[email protected]>
OpenAMP · Oct 18, 2024 · 87ad767 · 87ad767
1 parent a69881f
commit 87ad767
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/lib/rpmsg/rpmsg_virtio.c b/lib/rpmsg/rpmsg_virtio.c
@@ -394,7 +394,7 @@ static void *rpmsg_virtio_get_tx_payload_buffer(struct rpmsg_device *rdev,
 		if (status == RPMSG_EOPNOTSUPP) {
 			metal_sleep_usec(RPMSG_TICKS_PER_INTERVAL);
 			tick_count--;
-		} else if (status == RPMSG_SUCCESS) {
+		} else if (status != RPMSG_SUCCESS) {
 			break;
 		}
 	}