If an RX endpoint receives packets containing status headers, and a packet in the buffer is not dropped, ipa_endpoint_skb_copy() is responsible for wrapping the packet data in an SKB and forwarding it to ipa_modem_skb_rx() for further processing. If ipa_endpoint_skb_copy() gets a null pointer from build_skb(), it just returns early. But in the process it doesn't record that as a dropped packet in the network device statistics. Instead, call ipa_modem_skb_rx() whether or not the SKB pointer is NULL; that function ensures the statistics are properly updated. Fixes: 1b65bbcc9a710 ("net: ipa: skip SKB copy if no netdev") Signed-off-by: Alex Elder <elder@linaro.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Linux kernel ============ There are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. Please read Documentation/admin-guide/README.rst first. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. The formatted documentation can also be read online at: https://www.kernel.org/doc/html/latest/ There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.
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