From: <gregkh@linuxfoundation.org>
To: f.fainelli@gmail.com, davem@davemloft.net, gregkh@linuxfoundation.org
Cc: <stable@vger.kernel.org>, <stable-commits@vger.kernel.org>
Subject: Patch "net: bgmac: Fix infinite loop in bgmac_dma_tx_add()" has been added to the 4.6-stable tree
Date: Fri, 12 Aug 2016 09:35:32 +0200 [thread overview]
Message-ID: <1470987332222232@kroah.com> (raw)
This is a note to let you know that I've just added the patch titled
net: bgmac: Fix infinite loop in bgmac_dma_tx_add()
to the 4.6-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:
net-bgmac-fix-infinite-loop-in-bgmac_dma_tx_add.patch
and it can be found in the queue-4.6 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 Fri Aug 12 09:34:33 CEST 2016
From: Florian Fainelli <f.fainelli@gmail.com>
Date: Fri, 15 Jul 2016 15:42:52 -0700
Subject: net: bgmac: Fix infinite loop in bgmac_dma_tx_add()
From: Florian Fainelli <f.fainelli@gmail.com>
[ Upstream commit e86663c475d384ab5f46cb5637e9b7ad08c5c505 ]
Nothing is decrementing the index "i" while we are cleaning up the
fragments we could not successful transmit.
Fixes: 9cde94506eacf ("bgmac: implement scatter/gather support")
Reported-by: coverity (CID 1352048)
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/net/ethernet/broadcom/bgmac.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/net/ethernet/broadcom/bgmac.c
+++ b/drivers/net/ethernet/broadcom/bgmac.c
@@ -231,7 +231,7 @@ err_dma:
dma_unmap_single(dma_dev, slot->dma_addr, skb_headlen(skb),
DMA_TO_DEVICE);
- while (i > 0) {
+ while (i-- > 0) {
int index = (ring->end + i) % BGMAC_TX_RING_SLOTS;
struct bgmac_slot_info *slot = &ring->slots[index];
u32 ctl1 = le32_to_cpu(ring->cpu_base[index].ctl1);
Patches currently in stable-queue which might be from f.fainelli@gmail.com are
queue-4.6/net-bgmac-fix-infinite-loop-in-bgmac_dma_tx_add.patch
reply other threads:[~2016-08-12 7:35 UTC|newest]
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