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Diffstat (limited to 'kernel/drivers/net/can/at91_can.c')
-rw-r--r--kernel/drivers/net/can/at91_can.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/kernel/drivers/net/can/at91_can.c b/kernel/drivers/net/can/at91_can.c
index 8b3275d77..8f5e93cb7 100644
--- a/kernel/drivers/net/can/at91_can.c
+++ b/kernel/drivers/net/can/at91_can.c
@@ -712,9 +712,10 @@ static int at91_poll_rx(struct net_device *dev, int quota)
/* upper group completed, look again in lower */
if (priv->rx_next > get_mb_rx_low_last(priv) &&
- quota > 0 && mb > get_mb_rx_last(priv)) {
+ mb > get_mb_rx_last(priv)) {
priv->rx_next = get_mb_rx_first(priv);
- goto again;
+ if (quota > 0)
+ goto again;
}
return received;