Re: [PATCH RESEND] atl1: fix 4G memory corruption bug

From: Jeff Garzik
Date: Thu May 22 2008 - 17:21:15 EST

Alexey Dobriyan wrote:
From: Alexey Dobriyan <adobriyan@xxxxxxxxx>

When using 4+ GB RAM and SWIOTLB is active, the driver corrupts
memory by writing an skb after the relevant DMA page has been
unmapped. Although this doesn't happen when *not* using bounce
buffers, clearing the pointer to the DMA page after unmapping
it fixes the problem.

Signed-off-by: Alexey Dobriyan <adobriyan@xxxxxxxxx>
Signed-off-by: Jay Cliburn <jacliburn@xxxxxxxxxxxxx>

drivers/net/atlx/atl1.c | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)


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