From: Govindarajulu Varadarajan <_gov...@gmx.com> Date: Thu, 11 Jun 2015 11:52:56 +0530
> When incoming packet qualifies for rx_copybreak, we copy the data to newly > allocated skb. We do not free/unmap the original buffer. At this point driver > assumes this buffer is unallocated. When enic_rq_alloc_buf() is called for > buffer allocation, it checks if buf->os_buf is NULL. If its not NULL that > means > buffer can be re-used. > > When vnic_rq_clean() is called for freeing all rq buffers, and if the > rx_copybreak reused buffer falls outside the used desc, we do not free the > buffer. The following trace is observer when dma-debug is enabled. > > Fix is to walk through complete ring and clean if buffer is present. ... > Signed-off-by: Govindarajulu Varadarajan <_gov...@gmx.com> Applied. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
