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(parent: 82a1ffe) | patch
gve: fix the wrong AdminQ buffer overflow check
authorHaiyue Wang <haiyue.wang@intel.com>
Wed, 14 Jul 2021 07:34:59 +0000 (15:34 +0800)
committerDavid S. Miller <davem@davemloft.net>
Fri, 16 Jul 2021 17:41:40 +0000 (10:41 -0700)
commit63a9192b8fa1ea55efeba1f18fad52bb24d9bf12
tree0849a5715854aab35372c862d35b002631bb4b38tree | snapshot
parent82a1ffe57ec6455658584459de56ee4b401c1dfbcommit | diff
gve: fix the wrong AdminQ buffer overflow check

The 'tail' pointer is also free-running count, so it needs to be masked
as 'adminq_prod_cnt' does, to become an index value of AdminQ buffer.

Fixes: 5cdad90de62c ("gve: Batch AQ commands for creating and destroying queues.")
Signed-off-by: Haiyue Wang <haiyue.wang@intel.com>
Reviewed-by: Catherine Sullivan <csully@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/ethernet/google/gve/gve_adminq.c diff | blob | history
Domain: System / Kernel;