linux-kernel - [PATCH 3.16 085/294] b44: Initialize 64-bit stats seqcount

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Date:   Mon, 06 Nov 2017 23:03:02 +0000
From:   Ben Hutchings <ben@...adent.org.uk>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
CC:     akpm@...ux-foundation.org,
        "Florian Fainelli" <f.fainelli@...il.com>,
        "Michael Chan" <michael.chan@...adcom.com>,
        "David S. Miller" <davem@...emloft.net>
Subject: [PATCH 3.16 085/294] b44: Initialize 64-bit stats seqcount

3.16.50-rc1 review patch.  If anyone has any objections, please let me know.

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

From: Florian Fainelli <f.fainelli@...il.com>

commit e43c9f23efadade684773a855675c99da278c862 upstream.

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: eeda8585522b ("b44: add 64 bit stats")
Signed-off-by: Florian Fainelli <f.fainelli@...il.com>
Acked-by: Michael Chan <michael.chan@...adcom.com>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Ben Hutchings <ben@...adent.org.uk>
---
 drivers/net/ethernet/broadcom/b44.c | 1 +
 1 file changed, 1 insertion(+)

--- a/drivers/net/ethernet/broadcom/b44.c
+++ b/drivers/net/ethernet/broadcom/b44.c
@@ -2372,6 +2372,7 @@ static int b44_init_one(struct ssb_devic
 	bp->msg_enable = netif_msg_init(b44_debug, B44_DEF_MSG_ENABLE);
 
 	spin_lock_init(&bp->lock);
+	u64_stats_init(&bp->hw_stats.syncp);
 
 	bp->rx_pending = B44_DEF_RX_RING_PENDING;
 	bp->tx_pending = B44_DEF_TX_RING_PENDING;