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From: Sascha Hauer <s.hauer@pengutronix.de>
To: barebox@lists.infradead.org
Subject: [PATCH 2/2] net: dm9k: bail out when resources can't be claimed
Date: Wed, 18 Dec 2013 16:45:15 +0100	[thread overview]
Message-ID: <1387381515-15476-3-git-send-email-s.hauer@pengutronix.de> (raw)
In-Reply-To: <1387381515-15476-1-git-send-email-s.hauer@pengutronix.de>

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 drivers/net/dm9k.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/net/dm9k.c b/drivers/net/dm9k.c
index 090482c..4c28870 100644
--- a/drivers/net/dm9k.c
+++ b/drivers/net/dm9k.c
@@ -722,7 +722,11 @@ static int dm9k_probe(struct device_d *dev)
 
 	priv->buswidth = dev->resource[0].flags & IORESOURCE_MEM_TYPE_MASK;
 	priv->iodata = dev_request_mem_region(dev, 1);
+	if (!priv->iodata)
+		return -EBUSY;
 	priv->iobase = dev_request_mem_region(dev, 0);
+	if (!priv->iobase)
+		return -EBUSY;
 	priv->srom = pdata->srom;
 
 	edev->init = dm9k_init_dev;
-- 
1.8.5.1


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      parent reply	other threads:[~2013-12-18 15:45 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-12-18 15:45 dm9000 patches Sascha Hauer
2013-12-18 15:45 ` [PATCH 1/2] net: dm9k: Fix resource sizes in add_dm9000_device Sascha Hauer
2013-12-18 15:45 ` Sascha Hauer [this message]

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