cxgb4: Fix race between loopback and normal Tx path
Even after Tx queues are marked stopped, there exists a small window where the current packet in the normal Tx path is still being sent out and loopback selftest ends up corrupting the same Tx ring. So, ensure selftest takes the Tx lock to synchronize access the Tx ring. Fixes: 7235ffae ("cxgb4: add loopback ethtool self-test") Signed-off-by:Ganji Aravind <ganji.aravind@chelsio.com> Reviewed-by:
Jesse Brandeburg <jesse.brandeburg@intel.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
parent
33595642
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