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musicpal: Catch null TX qeueues
author
Jan Kiszka
<jan.kiszka@web.de>
Fri, 18 Sep 2009 18:51:22 +0000
(20:51 +0200)
committer
Anthony Liguori
<aliguori@us.ibm.com>
Mon, 5 Oct 2009 14:32:43 +0000
(09:32 -0500)
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 <jan.kiszka@web.de>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
hw/musicpal.c
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diff --git
a/hw/musicpal.c
b/hw/musicpal.c
index
1c4f17c
..
c8f0235
100644
(file)
--- 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) {