Request for testing, since I don't have the hardware to test. --------------------------------------------------------------------
Fix Neptune ethernet driver to check dma mapping error after map_page() interface returns. Signed-off-by: Shuah Khan <[email protected]> Cc: <[email protected]> --- drivers/net/ethernet/sun/niu.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/net/ethernet/sun/niu.c b/drivers/net/ethernet/sun/niu.c index 8c726b7..60d5c03 100644 --- a/drivers/net/ethernet/sun/niu.c +++ b/drivers/net/ethernet/sun/niu.c @@ -3335,6 +3335,10 @@ static int niu_rbr_add_page(struct niu *np, struct rx_ring_info *rp, addr = np->ops->map_page(np->device, page, 0, PAGE_SIZE, DMA_FROM_DEVICE); + if (!addr) { + __free_page(page); + return -ENOMEM; + } niu_hash_page(rp, page, addr); if (rp->rbr_blocks_per_page > 1) -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
