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davinci_emac: Add Carrier Link OK check in Davinci RX Handler

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This patch adds an additional check in the Davinci EMAC RX Handler,
which tests the __LINK_STATE_NOCARRIER flag along with the
__LINK_STATE_START flag as part EMAC shutting down procedure.

This avoids
WARNING: at drivers/net/davinci_emac.c:1040 emac_rx_handler+0xf8/0x120()
during rtcwake used to suspend the target for a specified duration.

Signed-off-by: Hegde, Vinay <vinay.hegde@ti.com>
Acked-by: Cyril Chemparathy <cyril@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Hegde, Vinay 2011-02-24 23:56:28 +00:00 committed by David S. Miller
parent b746f7e52f
commit 0a5f384677
1 changed files with 1 additions and 1 deletions
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2
drivers/net/davinci_emac.c
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@ -1008,7 +1008,7 @@ static void emac_rx_handler(void *token, int len, int status)
int ret;
/* free and bail if we are shutting down */
if (unlikely(!netif_running(ndev))) {
if (unlikely(!netif_running(ndev) || !netif_carrier_ok(ndev))) {
dev_kfree_skb_any(skb);
return;
}