netdev - [PATCH net] liquidio: silence a locking static checker warning

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Date:   Fri, 28 Apr 2017 15:57:15 +0300
From:   Dan Carpenter <dan.carpenter@...cle.com>
To:     Derek Chickles <derek.chickles@...iumnetworks.com>
Cc:     Satanand Burla <satananda.burla@...iumnetworks.com>,
        Felix Manlunas <felix.manlunas@...iumnetworks.com>,
        Raghu Vatsavayi <raghu.vatsavayi@...iumnetworks.com>,
        netdev@...r.kernel.org, kernel-janitors@...r.kernel.org
Subject: [PATCH net] liquidio: silence a locking static checker warning

Presumably we never hit this return, but static checkers complain that
we need to unlock so we may as well fix that.

Signed-off-by: Dan Carpenter <dan.carpenter@...cle.com>

diff --git a/drivers/net/ethernet/cavium/liquidio/octeon_mailbox.c b/drivers/net/ethernet/cavium/liquidio/octeon_mailbox.c
index 201b9875f9bb..5cca73b8880b 100644
--- a/drivers/net/ethernet/cavium/liquidio/octeon_mailbox.c
+++ b/drivers/net/ethernet/cavium/liquidio/octeon_mailbox.c
@@ -313,6 +313,7 @@ int octeon_mbox_process_message(struct octeon_mbox *mbox)
 		return 0;
 	}
 
+	spin_unlock_irqrestore(&mbox->lock, flags);
 	WARN_ON(1);
 
 	return 0;