[PATCH] skge: don't allow transmit ring to be too small
The driver will get stuck (permanent transmit timeout), if the transmit
ring size is set too small. It needs to have enough ring elements to
hold one maximum size transmit.
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
diff --git a/drivers/net/skge.c b/drivers/net/skge.c
index 0dd4247..5ca5a1b 100644
--- a/drivers/net/skge.c
+++ b/drivers/net/skge.c
@@ -401,7 +401,7 @@
int err;
if (p->rx_pending == 0 || p->rx_pending > MAX_RX_RING_SIZE ||
- p->tx_pending == 0 || p->tx_pending > MAX_TX_RING_SIZE)
+ p->tx_pending < MAX_SKB_FRAGS+1 || p->tx_pending > MAX_TX_RING_SIZE)
return -EINVAL;
skge->rx_ring.count = p->rx_pending;