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[ Upstream commit5718458b09] When a lot of frames were received in the short term, the driver caused a stuck of receiving until a new frame was received. For example, the following command from other device could cause this issue. $ sudo ping -f -l 1000 -c 1000 <this driver's ipaddress> The previous code always cleared the interrupt flag of RX but checks the interrupt flags in ravb_poll(). So, ravb_poll() could not call ravb_rx() in the next time until a new RX frame was received if ravb_rx() returned true. To fix the issue, always calls ravb_rx() regardless the interrupt flags condition. Fixes:c156633f13("Renesas Ethernet AVB driver proper") Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Sasha Levin <sashal@kernel.org>
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.