tg3: fix ring init when there are more TX than RX channels

[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / net / ethernet / broadcom / tg3.c

diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c
index 3de4069f020e35da50f4e547c5b79edbeb9a44e9..5501cad30cfa94207deaf0b2a5bbcfb01fa7cc89 100644 (file)
--- a/drivers/net/ethernet/broadcom/tg3.c
+++ b/drivers/net/ethernet/broadcom/tg3.c
@@ -8392,7 +8392,8 @@ static int tg3_init_rings(struct tg3 *tp)
                if (tnapi->rx_rcb)
                        memset(tnapi->rx_rcb, 0, TG3_RX_RCB_RING_BYTES(tp));
 
-               if (tg3_rx_prodring_alloc(tp, &tnapi->prodring)) {
+               if (tnapi->prodring.rx_std &&
+                   tg3_rx_prodring_alloc(tp, &tnapi->prodring)) {
                        tg3_free_rings(tp);
                        return -ENOMEM;
                }