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-rw-r--r--drivers/net/ethernet/google/gve/gve_main.c3
-rw-r--r--drivers/net/ethernet/google/gve/gve_tx.c9
2 files changed, 7 insertions, 5 deletions
diff --git a/drivers/net/ethernet/google/gve/gve_main.c b/drivers/net/ethernet/google/gve/gve_main.c
index aca95f64bde8..9b7a8db9860f 100644
--- a/drivers/net/ethernet/google/gve/gve_main.c
+++ b/drivers/net/ethernet/google/gve/gve_main.c
@@ -544,7 +544,7 @@ static int gve_alloc_queue_page_list(struct gve_priv *priv, u32 id,
}
qpl->id = id;
- qpl->num_entries = pages;
+ qpl->num_entries = 0;
qpl->pages = kvzalloc(pages * sizeof(*qpl->pages), GFP_KERNEL);
/* caller handles clean up */
if (!qpl->pages)
@@ -562,6 +562,7 @@ static int gve_alloc_queue_page_list(struct gve_priv *priv, u32 id,
/* caller handles clean up */
if (err)
return -ENOMEM;
+ qpl->num_entries++;
}
priv->num_registered_pages += pages;
diff --git a/drivers/net/ethernet/google/gve/gve_tx.c b/drivers/net/ethernet/google/gve/gve_tx.c
index 0a9a7ee2a866..f4889431f9b7 100644
--- a/drivers/net/ethernet/google/gve/gve_tx.c
+++ b/drivers/net/ethernet/google/gve/gve_tx.c
@@ -393,12 +393,13 @@ static void gve_tx_fill_seg_desc(union gve_tx_desc *seg_desc,
static void gve_dma_sync_for_device(struct device *dev, dma_addr_t *page_buses,
u64 iov_offset, u64 iov_len)
{
+ u64 last_page = (iov_offset + iov_len - 1) / PAGE_SIZE;
+ u64 first_page = iov_offset / PAGE_SIZE;
dma_addr_t dma;
- u64 addr;
+ u64 page;
- for (addr = iov_offset; addr < iov_offset + iov_len;
- addr += PAGE_SIZE) {
- dma = page_buses[addr / PAGE_SIZE];
+ for (page = first_page; page <= last_page; page++) {
+ dma = page_buses[page];
dma_sync_single_for_device(dev, dma, PAGE_SIZE, DMA_TO_DEVICE);
}
}
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