571b8b92c7
To guarantee that all unused fields in all FW commands for both inboxes and outboxes are zeroed out, initialize the mailbox buffer to all zeroes. This is especially important for SRIOV comm-channel virtual commands (such as QUERY_FUNC_CAP), where if new fields are added to support new features, the driver can depend on older kernels passing zeroes in these fields. In addition to zeroing out the mailbox buffer at allocation time, all (now unnecessary) calls to memset by the callers of mlx4_alloc_cmd_mailbox() are removed. Signed-off-by: Majd Dibbiny <majd@mellanox.com> Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il> Signed-off-by: Amir Vadai <amirv@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
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