netdev - [PATCH net] sfc: correctly initialise filter rwsem for farch

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Message-ID: <59b166e9-ace0-1926-dc53-e9d8c91f5547@solarflare.com>
Date:   Fri, 29 Jun 2018 16:29:28 +0100
From:   Bert Kenward <bkenward@...arflare.com>
To:     Dave Miller <davem@...emloft.net>
CC:     <netdev@...r.kernel.org>, <linux-net-drivers@...arflare.com>
Subject: [PATCH net] sfc: correctly initialise filter rwsem for farch

Fixes: fc7a6c287ff3 ("sfc: use a semaphore to lock farch filters too")
Suggested-by: Joseph Korty <joe.korty@...current-rt.com>
Signed-off-by: Bert Kenward <bkenward@...arflare.com>
---
 drivers/net/ethernet/sfc/farch.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/ethernet/sfc/farch.c b/drivers/net/ethernet/sfc/farch.c
index 8edf20967c82..e045a5d6b938 100644
--- 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 efx_nic *efx)
 	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;
-- 
2.13.6