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-rw-r--r--drivers/net/ethernet/altera/altera_tse_main.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/net/ethernet/altera/altera_tse_main.c b/drivers/net/ethernet/altera/altera_tse_main.c
index 79ea35869e1e..90a76306ad0f 100644
--- a/drivers/net/ethernet/altera/altera_tse_main.c
+++ b/drivers/net/ethernet/altera/altera_tse_main.c
@@ -376,8 +376,13 @@ static int tse_rx(struct altera_tse_private *priv, int limit)
u16 pktlength;
u16 pktstatus;
- while (((rxstatus = priv->dmaops->get_rx_status(priv)) != 0) &&
- (count < limit)) {
+ /* Check for count < limit first as get_rx_status is changing
+ * the response-fifo so we must process the next packet
+ * after calling get_rx_status if a response is pending.
+ * (reading the last byte of the response pops the value from the fifo.)
+ */
+ while ((count < limit) &&
+ ((rxstatus = priv->dmaops->get_rx_status(priv)) != 0)) {
pktstatus = rxstatus >> 16;
pktlength = rxstatus & 0xffff;