Commit 0e5ad75b authored by Ioana Ciornei's avatar Ioana Ciornei Committed by David S. Miller
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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: ef17bd7c ("dpaa2-eth: Avoid unbounded while loops")
Signed-off-by: default avatarIoana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 37fbbdda

drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c

+1 −1
Original line number Diff line number Diff line
@@ -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;