Revision 1d5a474240407c38ca8c7484a656ee39f585399c authored by Martin Habets on 02 January 2022, 08:41:22 UTC, committed by Jakub Kicinski on 05 January 2022, 02:14:21 UTC
The RX page_ring is an optional feature that improves performance. When allocation fails the driver can still function, but possibly with a lower bandwidth. Guard against dereferencing a NULL page_ring. Fixes: 2768935a4660 ("sfc: reuse pages to avoid DMA mapping/unmapping costs") Signed-off-by: Martin Habets <habetsm.xilinx@gmail.com> Reported-by: Jiasheng Jiang <jiasheng@iscas.ac.cn> Link: https://lore.kernel.org/r/164111288276.5798.10330502993729113868.stgit@palantir17.mph.net Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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clocking.rst | -rw-r--r-- | 1.6 KB |
codec-to-codec.rst | -rw-r--r-- | 3.8 KB |
codec.rst | -rw-r--r-- | 5.2 KB |
dai.rst | -rw-r--r-- | 2.3 KB |
dapm.rst | -rw-r--r-- | 10.9 KB |
dpcm.rst | -rw-r--r-- | 13.3 KB |
index.rst | -rw-r--r-- | 254 bytes |
jack.rst | -rw-r--r-- | 3.1 KB |
machine.rst | -rw-r--r-- | 2.8 KB |
overview.rst | -rw-r--r-- | 3.1 KB |
platform.rst | -rw-r--r-- | 2.0 KB |
pops-clicks.rst | -rw-r--r-- | 2.2 KB |
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