i40e: Initialize 64-bit statistics TX ring seqcount
authorFlorian Fainelli <f.fainelli@gmail.com>
Tue, 1 Aug 2017 19:11:07 +0000 (12:11 -0700)
committerDavid S. Miller <davem@davemloft.net>
Wed, 2 Aug 2017 03:06:06 +0000 (20:06 -0700)
On 32-bit hosts and with CONFIG_DEBUG_LOCK_ALLOC we should be seeing a
lockdep splat indicating this seqcount is not correctly initialized, fix
that.

Fixes: 980e9b118642 ("i40e: Add support for 64 bit netstats")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/ethernet/intel/i40e/i40e_txrx.c

index b936febc315a17b3d8db0af05f60938d478edefd..2194960d5855c6576ec03c870479344b099ce12b 100644 (file)
@@ -1113,6 +1113,8 @@ int i40e_setup_tx_descriptors(struct i40e_ring *tx_ring)
        if (!tx_ring->tx_bi)
                goto err;
 
+       u64_stats_init(&tx_ring->syncp);
+
        /* round up to nearest 4K */
        tx_ring->size = tx_ring->count * sizeof(struct i40e_tx_desc);
        /* add u32 for head writeback, align after this takes care of