netdev - [PATCH (net.git) 2/2] stmmac: set ptp_clock to NULL while unregister

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Date:	Mon, 25 Aug 2014 14:56:19 +0200
From:	Giuseppe Cavallaro <peppe.cavallaro@...com>
To:	<netdev@...r.kernel.org>
Cc:	Giuseppe Cavallaro <peppe.cavallaro@...com>
Subject: [PATCH (net.git) 2/2] stmmac: set ptp_clock to NULL while unregister

This is to properly put to NULL the ptp_clock while un-register the PTP support.

Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@...com>
---
 drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.c
index b7ad356..c5ee79d 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.c
@@ -206,6 +206,7 @@ void stmmac_ptp_unregister(struct stmmac_priv *priv)
 {
 	if (priv->ptp_clock) {
 		ptp_clock_unregister(priv->ptp_clock);
+		priv->ptp_clock = NULL;
 		pr_debug("Removed PTP HW clock successfully on %s\n",
 			 priv->dev->name);
 	}
-- 
1.7.4.4

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