From f70e8459fdea1905ca9bfbf987daf9f1a1c545e8 Mon Sep 17 00:00:00 2001 From: Benjamin Poirier Date: Fri, 27 Sep 2019 19:11:57 +0900 Subject: [PATCH] staging: qlge: Remove page_chunk.last_flag As already done in ql_get_curr_lchunk(), this member can be replaced by a simple test. Signed-off-by: Benjamin Poirier Acked-by: Manish Chopra Link: https://lore.kernel.org/r/20190927101210.23856-4-bpoirier@suse.com Signed-off-by: Greg Kroah-Hartman --- drivers/staging/qlge/qlge.h | 1 - drivers/staging/qlge/qlge_main.c | 13 +++++-------- 2 files changed, 5 insertions(+), 9 deletions(-) diff --git a/drivers/staging/qlge/qlge.h b/drivers/staging/qlge/qlge.h index 5d9a36d..0a156a9 100644 --- a/drivers/staging/qlge/qlge.h +++ b/drivers/staging/qlge/qlge.h @@ -1363,7 +1363,6 @@ struct page_chunk { char *va; /* virt addr for this chunk */ u64 map; /* mapping for master */ unsigned int offset; /* offset for this chunk */ - unsigned int last_flag; /* flag set for last chunk in page */ }; struct bq_desc { diff --git a/drivers/staging/qlge/qlge_main.c b/drivers/staging/qlge/qlge_main.c index 7a8d639..a829207 100644 --- a/drivers/staging/qlge/qlge_main.c +++ b/drivers/staging/qlge/qlge_main.c @@ -1077,11 +1077,9 @@ static int ql_get_next_chunk(struct ql_adapter *qdev, struct rx_ring *rx_ring, rx_ring->pg_chunk.offset += rx_ring->lbq_buf_size; if (rx_ring->pg_chunk.offset == ql_lbq_block_size(qdev)) { rx_ring->pg_chunk.page = NULL; - lbq_desc->p.pg_chunk.last_flag = 1; } else { rx_ring->pg_chunk.va += rx_ring->lbq_buf_size; get_page(rx_ring->pg_chunk.page); - lbq_desc->p.pg_chunk.last_flag = 0; } return 0; } @@ -2778,6 +2776,8 @@ pci_alloc_err: static void ql_free_lbq_buffers(struct ql_adapter *qdev, struct rx_ring *rx_ring) { + unsigned int last_offset = ql_lbq_block_size(qdev) - + rx_ring->lbq_buf_size; struct bq_desc *lbq_desc; uint32_t curr_idx, clean_idx; @@ -2787,13 +2787,10 @@ static void ql_free_lbq_buffers(struct ql_adapter *qdev, struct rx_ring *rx_ring while (curr_idx != clean_idx) { lbq_desc = &rx_ring->lbq[curr_idx]; - if (lbq_desc->p.pg_chunk.last_flag) { - pci_unmap_page(qdev->pdev, - lbq_desc->p.pg_chunk.map, - ql_lbq_block_size(qdev), + if (lbq_desc->p.pg_chunk.offset == last_offset) + pci_unmap_page(qdev->pdev, lbq_desc->p.pg_chunk.map, + ql_lbq_block_size(qdev), PCI_DMA_FROMDEVICE); - lbq_desc->p.pg_chunk.last_flag = 0; - } put_page(lbq_desc->p.pg_chunk.page); lbq_desc->p.pg_chunk.page = NULL; -- 2.7.4