[Qemu-devel] [PATCH 1/8] musicpal: Catch null TX qeueues

[Jan Kiszka]

They likely represent invalid queues that should be skipped. We already
do this for RX queues. Wish I had a spec...

Credits go to malc for analyzing the issue and suggesting this fix.

Signed-off-by: Jan Kiszka <address@hidden>
---

 hw/musicpal.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/hw/musicpal.c b/hw/musicpal.c
index 1c4f17c..c8f0235 100644
--- a/hw/musicpal.c
+++ b/hw/musicpal.c
@@ -238,7 +238,9 @@ static void eth_send(mv88w8618_eth_state *s, int 
queue_index)
     uint8_t buf[2048];
     int len;
 
-
+    if (!desc_addr) {
+        return;
+    }
     do {
         eth_tx_desc_get(desc_addr, &desc);
         if (desc.cmdstat & MP_ETH_TX_OWN) {