The driver does not check value returned by dma_map_page. The patch
fixes this.
v2: Removed the bugfix for non-bug ;-) (thanks Sathya)
Signed-off-by: Ivan Vecera <ivecera@redhat.com>
Acked-by: Sathya Perla <Sathya.perla@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
struct be_rx_page_info *page_info = NULL, *prev_page_info = NULL;
struct be_queue_info *rxq = &rxo->q;
struct page *pagep = NULL;
struct be_rx_page_info *page_info = NULL, *prev_page_info = NULL;
struct be_queue_info *rxq = &rxo->q;
struct page *pagep = NULL;
+ struct device *dev = &adapter->pdev->dev;
struct be_eth_rx_d *rxd;
u64 page_dmaaddr = 0, frag_dmaaddr;
u32 posted, page_offset = 0;
struct be_eth_rx_d *rxd;
u64 page_dmaaddr = 0, frag_dmaaddr;
u32 posted, page_offset = 0;
rx_stats(rxo)->rx_post_fail++;
break;
}
rx_stats(rxo)->rx_post_fail++;
break;
}
- page_dmaaddr = dma_map_page(&adapter->pdev->dev, pagep,
- 0, adapter->big_page_size,
+ page_dmaaddr = dma_map_page(dev, pagep, 0,
+ adapter->big_page_size,
+ if (dma_mapping_error(dev, page_dmaaddr)) {
+ put_page(pagep);
+ pagep = NULL;
+ rx_stats(rxo)->rx_post_fail++;
+ break;
+ }
page_info->page_offset = 0;
} else {
get_page(pagep);
page_info->page_offset = 0;
} else {
get_page(pagep);