Unverified Commit 7df4077a authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!11461 bnxt_en: Fix double DMA unmapping for XDP_REDIRECT 

Merge Pull Request from: @ci-robot 
 
PR sync from: Liu Jian <liujian56@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/PKINCH7NE2YS2RUQGZT5WA6UJCBTPP3X/ 
 
https://gitee.com/src-openeuler/kernel/issues/IAOXZU 
 
Link:https://gitee.com/openeuler/kernel/pulls/11461

 

Reviewed-by: default avatarYue Haibing <yuehaibing@huawei.com>
Signed-off-by: default avatarZhang Peng <zhangpeng362@huawei.com>
parents 84404f24 821ecbea

drivers/net/ethernet/broadcom/bnxt/bnxt_xdp.c

+0 −5
Original line number Diff line number Diff line
@@ -297,11 +297,6 @@ bool bnxt_rx_xdp(struct bnxt *bp, struct bnxt_rx_ring_info *rxr, u16 cons, 
		 * redirect is coming from a frame received by the

		 * bnxt_en driver.

		 */

		rx_buf = &rxr->rx_buf_ring[cons];

		mapping = rx_buf->mapping - bp->rx_dma_offset;

		dma_unmap_page_attrs(&pdev->dev, mapping,

				     BNXT_RX_PAGE_SIZE, bp->rx_dir,

				     DMA_ATTR_WEAK_ORDERING);



		/* if we are unable to allocate a new buffer, abort and reuse */

		if (bnxt_alloc_rx_data(bp, rxr, rxr->rx_prod, GFP_ATOMIC)) {