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authorTomas Winkler <tomas.winkler@intel.com>2021-03-18 06:59:59 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-03-23 15:15:15 +0100
commitce068bc7da473e39b64d130101e178406023df0c (patch)
tree4d37a3caccb9ba2545535f0431e6638d2d685a70 /net
parentMAINTAINERS: Add linux-phy list and patchwork (diff)
downloadlinux-ce068bc7da473e39b64d130101e178406023df0c.tar.xz
linux-ce068bc7da473e39b64d130101e178406023df0c.zip
mei: allow map and unmap of client dma buffer only for disconnected client
Allow map and unmap of the client dma buffer only when the client is not connected. The functions return -EPROTO if the client is already connected. This is to fix the race when traffic may start or stop when buffer is not available. Cc: <stable@vger.kernel.org> #v5.11+ Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Link: https://lore.kernel.org/r/20210318055959.305627-1-tomas.winkler@intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'net')
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