diff options
| -rw-r--r-- | drivers/net/ethernet/freescale/fec_main.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c index 04df423c0c94..2b1604113257 100644 --- a/drivers/net/ethernet/freescale/fec_main.c +++ b/drivers/net/ethernet/freescale/fec_main.c @@ -305,7 +305,7 @@ static int fec_enet_get_free_txdesc_num(struct fec_enet_private *fep, entries = ((const char *)txq->dirty_tx - (const char *)txq->cur_tx) / fep->bufdesc_size - 1; - return entries > 0 ? entries : entries + txq->tx_ring_size; + return entries >= 0 ? entries : entries + txq->tx_ring_size; } static void swap_buffer(void *bufaddr, int len) |