From: <gregkh@linuxfoundation.org>
To: Yuval.Mintz@cavium.com, alexander.levin@verizon.com,
davem@davemloft.net, gregkh@linuxfoundation.org
Cc: <stable@vger.kernel.org>, <stable-commits@vger.kernel.org>
Subject: Patch "qed: Fix mapping leak on LL2 rx flow" has been added to the 4.9-stable tree
Date: Mon, 18 Dec 2017 14:22:43 +0100 [thread overview]
Message-ID: <151360336333117@kroah.com> (raw)
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;a=summary
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
reply other threads:[~2017-12-18 13:24 UTC|newest]
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