Skip to contentSkip to conversation

igbvf: fix issue w/ mapped_as_page being left set after unmap

PATCH Applied Jeff Kirsher 2 participants 2 messages Jan 28, 2010

Subsystems (2)
Networking Network drivers
lore
Share & tools
lore

Jeff Kirsher

author
#0 lore raw

PATCH 1/1 igbvf: fix issue w/ mapped_as_page being left set after unmap

From: Alexander Duyck <[email protected]>

This change fixes an issue in igbvf with mapped_as_page being left set after a page is unmapped which results in buffers which are mapped via map single being unmapped as page.

Signed-off-by Alexander Duyck <[email protected]>
Signed-off-by Jeff Kirsher <[email protected]>

---

 drivers/net/igbvf/netdev.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
drivers/net/igbvf/netdev.c +1 -0
index 297a5dd..2aa71a7 100644
@@ -2117,6 +2117,7 @@ static inline int igbvf_tx_map_adv(struct igbvf_adapter *adapter,
 	/* set time_stamp *before* dma to help avoid a possible race */
 	buffer_info->time_stamp = jiffies;
 	buffer_info->next_to_watch = i;
+	buffer_info->mapped_as_page = false;
 	buffer_info->dma = pci_map_single(pdev, skb->data, len,
 					  PCI_DMA_TODEVICE);
 	if (pci_dma_mapping_error(pdev, buffer_info->dma))