This is a note to let you know that I've just added the patch titled
qed: Fix mapping leak on LL2 rx flow
to the 4.9-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git%3Ba=su...
The filename of the patch is: qed-fix-mapping-leak-on-ll2-rx-flow.patch and it can be found in the queue-4.9 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree, please let stable@vger.kernel.org know about it.
From foo@baz Mon Dec 18 14:12:34 CET 2017
From: "Mintz, Yuval" Yuval.Mintz@cavium.com Date: Tue, 14 Mar 2017 15:26:00 +0200 Subject: qed: Fix mapping leak on LL2 rx flow
From: "Mintz, Yuval" Yuval.Mintz@cavium.com
[ Upstream commit 752ecb2da11124a948567076b60767dc8034cfa5 ]
When receiving an Rx LL2 packet, qed fails to unmap the previous buffer.
Fixes: 0a7fb11c23c0 ("qed: Add Light L2 support"); Signed-off-by: Yuval Mintz Yuval.Mintz@cavium.com Signed-off-by: David S. Miller davem@davemloft.net Signed-off-by: Sasha Levin alexander.levin@verizon.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/net/ethernet/qlogic/qed/qed_ll2.c | 2 ++ 1 file changed, 2 insertions(+)
--- a/drivers/net/ethernet/qlogic/qed/qed_ll2.c +++ b/drivers/net/ethernet/qlogic/qed/qed_ll2.c @@ -187,6 +187,8 @@ static void qed_ll2b_complete_rx_packet( /* If need to reuse or there's no replacement buffer, repost this */ if (rc) goto out_post; + dma_unmap_single(&cdev->pdev->dev, buffer->phys_addr, + cdev->ll2->rx_size, DMA_FROM_DEVICE);
skb = build_skb(buffer->data, 0); if (!skb) {
Patches currently in stable-queue which might be from Yuval.Mintz@cavium.com are
queue-4.9/qed-fix-interrupt-flags-on-rx-ll2.patch queue-4.9/qed-align-cids-according-to-dorq-requirement.patch queue-4.9/qed-fix-mapping-leak-on-ll2-rx-flow.patch