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authorThierry Reding <treding@nvidia.com>2014-08-28 12:38:03 +0200
committerTom Rini <trini@ti.com>2014-09-16 12:23:45 -0400
commit5d9f423ddb2d4739eeee14990f5369508dee5e9d (patch)
treece55cb6da0dab90c21d5347223c899b7512f4bf6 /include/linux/mtd
parent9f680d2d978a9ab488b210ceeb90354308a0b750 (diff)
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rtl8169: Defer network packet processing
When network protocol errors occur (such as a file not being found on a TFTP server), the processing done by the NetReceive() function will end up calling the driver's .halt() implementation. However, after that the device no longer has access to the memory buffers and will cause errors such as this in the rtl_recv() function when trying to hand descriptors back to the device: pci_hose_bus_to_phys: invalid physical address This can be fixed by deferring processing of network packets until the descriptors have been handed back. That way rtl_halt() tearing down network buffers is not going to prevent access to the buffers. Reported-by: Stephen Warren <swarren@nvidia.com> Signed-off-by: Thierry Reding <treding@nvidia.com>
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