Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 535deaa3 authored by Sathya Perla's avatar Sathya Perla Committed by Greg Kroah-Hartman
Browse files

Staging: benet: cleanup a check while posting rx buffers 



This patch cleans up the way to check if there is enough space in the rx_q
while posting buffers.

Signed-off-by: default avatarSathya Perla <sathyap@serverengines.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent a9acfa42

drivers/staging/benet/be_int.c

+2 −13
Original line number Diff line number Diff line
@@ -623,25 +623,14 @@ void be_post_eth_rx_buffs(struct be_net_object *pnob) 
	 */

	INIT_LIST_HEAD(&rxbl);



	for (num_bufs = 0; num_bufs < max_bufs; ++num_bufs) {

	for (num_bufs = 0; num_bufs < max_bufs &&

		!pnob->rx_page_info[pnob->rx_pg_info_hd].page; ++num_bufs) {



		rxbp = &pnob->eth_rx_bufs[num_bufs];

		pg_hd = pnob->rx_pg_info_hd;

		rx_page_info = &pnob->rx_page_info[pg_hd];



		if (!page) {

			/*

			 * before we allocate a page make sure that we

			 * have space in the RX queue to post the buffer.

			 * We check for two vacant slots since with

			 * 2K frags, we will need two slots.

			 */

			if ((pnob->rx_ctxt[(pnob->rx_q_hd + num_bufs) &

					   (pnob->rx_q_len - 1)] != NULL)

			    || (pnob->rx_ctxt[(pnob->rx_q_hd + num_bufs + 1) %

					      pnob->rx_q_len] != NULL)) {

				break;

			}

			page = alloc_pages(alloc_flags, page_order);

			if (unlikely(page == NULL)) {

				adapter->be_stat.bes_ethrx_post_fail++;