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dpaa2-eth: fix condition for number of buffer acquire retries 

We should keep retrying to acquire buffers through the software portals
as long as the function returns -EBUSY and the number of retries is
__below__ DPAA2_ETH_SWP_BUSY_RETRIES.

Fixes: ef17bd7cc0 ("dpaa2-eth: Avoid unbounded while loops")
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ioana Ciornei 2020-06-24 14:34:19 +03:00 committed by David S. Miller
parent 37fbbdda63
commit 0e5ad75b02
1 changed files with 1 additions and 1 deletions
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2
drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c
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@ -1113,7 +1113,7 @@ static void drain_bufs(struct dpaa2_eth_priv *priv, int count)
buf_array, count);
if (ret < 0) {
if (ret == -EBUSY &&
retries++ >= DPAA2_ETH_SWP_BUSY_RETRIES)
retries++ < DPAA2_ETH_SWP_BUSY_RETRIES)
continue;
netdev_err(priv->net_dev, "dpaa2_io_service_acquire() failed\n");
return;