From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mout.gmx.net ([212.227.17.21]) by bombadil.infradead.org with esmtps (Exim 4.87 #1 (Red Hat Linux)) id 1dlrRI-0005PF-Fy for barebox@lists.infradead.org; Sun, 27 Aug 2017 06:52:58 +0000 From: Oleksij Rempel Date: Sun, 27 Aug 2017 08:52:00 +0200 Message-Id: <20170827065200.11205-1-linux@rempel-privat.de> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "barebox" Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: [PATCH] phy: don't crush if we have no parent To: barebox@lists.infradead.org Cc: Oleksij Rempel current code will crash if DT has no PHY entry. With this patch we will test if parent exist, before testing the parent device node. Signed-off-by: Oleksij Rempel --- drivers/net/phy/phy.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c index 7132516aa..25ae40233 100644 --- a/drivers/net/phy/phy.c +++ b/drivers/net/phy/phy.c @@ -323,7 +323,7 @@ static struct phy_device *of_mdio_find_phy(struct eth_device *edev) if (!IS_ENABLED(CONFIG_OFDEVICE)) return NULL; - if (!edev->parent->device_node) + if (!edev->parent || !edev->parent->device_node) return NULL; phy_node = of_parse_phandle(edev->parent->device_node, "phy-handle", 0); -- 2.11.0 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox