* [PATCH] qlcnic: Avoid double free of skb in tx path
@ 2011-06-03 15:52 Anirban Chakraborty
2011-06-05 21:18 ` David Miller
0 siblings, 1 reply; 2+ messages in thread
From: Anirban Chakraborty @ 2011-06-03 15:52 UTC (permalink / raw)
To: davem
Cc: netdev, Dept_NX_Linux_NIC_Driver, sucheta.chakraborty,
Anirban Chakraborty
From: Sucheta Chakraborty <sucheta.chakraborty@qlogic.com>
buffer->skb should be marked NULL to avoid double free of the skb.
Signed-off-by: Sucheta Chakraborty <sucheta.chakraborty@qlogic.com>
Signed-off-by: Anirban Chakraborty <anirban.chakraborty@qlogic.com>
---
drivers/net/qlcnic/qlcnic_main.c | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/drivers/net/qlcnic/qlcnic_main.c b/drivers/net/qlcnic/qlcnic_main.c
index 3ab7d2c..0f6af5c 100644
--- a/drivers/net/qlcnic/qlcnic_main.c
+++ b/drivers/net/qlcnic/qlcnic_main.c
@@ -2159,6 +2159,7 @@ qlcnic_unmap_buffers(struct pci_dev *pdev, struct sk_buff *skb,
nf = &pbuf->frag_array[0];
pci_unmap_single(pdev, nf->dma, skb_headlen(skb), PCI_DMA_TODEVICE);
+ pbuf->skb = NULL;
}
static inline void
--
1.7.4.1
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] qlcnic: Avoid double free of skb in tx path
2011-06-03 15:52 [PATCH] qlcnic: Avoid double free of skb in tx path Anirban Chakraborty
@ 2011-06-05 21:18 ` David Miller
0 siblings, 0 replies; 2+ messages in thread
From: David Miller @ 2011-06-05 21:18 UTC (permalink / raw)
To: anirban.chakraborty; +Cc: netdev, Dept_NX_Linux_NIC_Driver, sucheta.chakraborty
From: Anirban Chakraborty <anirban.chakraborty@qlogic.com>
Date: Fri, 3 Jun 2011 08:52:18 -0700
> From: Sucheta Chakraborty <sucheta.chakraborty@qlogic.com>
>
> buffer->skb should be marked NULL to avoid double free of the skb.
>
> Signed-off-by: Sucheta Chakraborty <sucheta.chakraborty@qlogic.com>
> Signed-off-by: Anirban Chakraborty <anirban.chakraborty@qlogic.com>
Applied.
^ permalink raw reply [flat|nested] 2+ messages in thread
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2011-06-03 15:52 [PATCH] qlcnic: Avoid double free of skb in tx path Anirban Chakraborty
2011-06-05 21:18 ` David Miller
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