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    Subject[PATCH 4.17 059/101] sfc: correctly initialise filter rwsem for farch
    Date
    4.17-stable review patch.  If anyone has any objections, please let me know.

    ------------------

    From: Bert Kenward <bkenward@solarflare.com>

    [ Upstream commit cafb39600e7a73263122a0e2db052d691686378f ]

    Fixes: fc7a6c287ff3 ("sfc: use a semaphore to lock farch filters too")
    Suggested-by: Joseph Korty <joe.korty@concurrent-rt.com>
    Signed-off-by: Bert Kenward <bkenward@solarflare.com>
    Signed-off-by: David S. Miller <davem@davemloft.net>
    Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
    ---
    drivers/net/ethernet/sfc/farch.c | 1 +
    1 file changed, 1 insertion(+)

    --- a/drivers/net/ethernet/sfc/farch.c
    +++ b/drivers/net/ethernet/sfc/farch.c
    @@ -2794,6 +2794,7 @@ int efx_farch_filter_table_probe(struct
    if (!state)
    return -ENOMEM;
    efx->filter_state = state;
    + init_rwsem(&state->lock);

    table = &state->table[EFX_FARCH_FILTER_TABLE_RX_IP];
    table->id = EFX_FARCH_FILTER_TABLE_RX_IP;

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