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From: axel.lin@ingics.com (Axel Lin)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 2/4] pinctrl: kirkwood: Prevent NULL dereference if of_match_device returns NULL
Date: Thu, 15 Nov 2012 12:52:39 +0800	[thread overview]
Message-ID: <1352955159.6793.2.camel@phoenix> (raw)
In-Reply-To: <1352955096.6793.1.camel@phoenix>

of_match_device() may return NULL.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
---
 drivers/pinctrl/mvebu/pinctrl-kirkwood.c |    7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/pinctrl/mvebu/pinctrl-kirkwood.c b/drivers/pinctrl/mvebu/pinctrl-kirkwood.c
index 9a74ef6..fe885ca 100644
--- a/drivers/pinctrl/mvebu/pinctrl-kirkwood.c
+++ b/drivers/pinctrl/mvebu/pinctrl-kirkwood.c
@@ -444,8 +444,11 @@ static struct of_device_id kirkwood_pinctrl_of_match[] __devinitdata = {
 
 static int __devinit kirkwood_pinctrl_probe(struct platform_device *pdev)
 {
-	const struct of_device_id *match =
-		of_match_device(kirkwood_pinctrl_of_match, &pdev->dev);
+	const struct of_device_id *match;
+
+	match = of_match_device(kirkwood_pinctrl_of_match, &pdev->dev);
+	if (!match)
+		return -ENODEV;
 	pdev->dev.platform_data = match->data;
 	return mvebu_pinctrl_probe(pdev);
 }
-- 
1.7.9.5

WARNING: multiple messages have this Message-ID (diff)
From: Axel Lin <axel.lin@ingics.com>
To: Linus Walleij <linus.walleij@linaro.org>
Cc: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>,
	Thomas Petazzoni <thomas.petazzoni@free-electrons.com>,
	linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org
Subject: [PATCH 2/4] pinctrl: kirkwood: Prevent NULL dereference if of_match_device returns NULL
Date: Thu, 15 Nov 2012 12:52:39 +0800	[thread overview]
Message-ID: <1352955159.6793.2.camel@phoenix> (raw)
In-Reply-To: <1352955096.6793.1.camel@phoenix>

of_match_device() may return NULL.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
---
 drivers/pinctrl/mvebu/pinctrl-kirkwood.c |    7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/pinctrl/mvebu/pinctrl-kirkwood.c b/drivers/pinctrl/mvebu/pinctrl-kirkwood.c
index 9a74ef6..fe885ca 100644
--- a/drivers/pinctrl/mvebu/pinctrl-kirkwood.c
+++ b/drivers/pinctrl/mvebu/pinctrl-kirkwood.c
@@ -444,8 +444,11 @@ static struct of_device_id kirkwood_pinctrl_of_match[] __devinitdata = {
 
 static int __devinit kirkwood_pinctrl_probe(struct platform_device *pdev)
 {
-	const struct of_device_id *match =
-		of_match_device(kirkwood_pinctrl_of_match, &pdev->dev);
+	const struct of_device_id *match;
+
+	match = of_match_device(kirkwood_pinctrl_of_match, &pdev->dev);
+	if (!match)
+		return -ENODEV;
 	pdev->dev.platform_data = match->data;
 	return mvebu_pinctrl_probe(pdev);
 }
-- 
1.7.9.5




  reply	other threads:[~2012-11-15  4:52 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-11-15  4:51 [PATCH 1/4] pinctrl: dove: Prevent NULL dereference if of_match_device returns NULL Axel Lin
2012-11-15  4:51 ` Axel Lin
2012-11-15  4:52 ` Axel Lin [this message]
2012-11-15  4:52   ` [PATCH 2/4] pinctrl: kirkwood: " Axel Lin
2012-11-15 19:18   ` Thomas Petazzoni
2012-11-15 19:18     ` Thomas Petazzoni
2012-11-15  4:54 ` [PATCH 3/4] pinctrl: at91: " Axel Lin
2012-11-15  4:54   ` Axel Lin
2012-11-15  4:58   ` [PATCH RESEND " Axel Lin
2012-11-15  4:58     ` Axel Lin
2012-11-15  8:23     ` Nicolas Ferre
2012-11-15  8:23       ` Nicolas Ferre
2012-11-15 10:00     ` Jean-Christophe PLAGNIOL-VILLARD
2012-11-15 10:00       ` Jean-Christophe PLAGNIOL-VILLARD
2012-11-16  8:36       ` Nicolas Ferre
2012-11-16  8:36         ` Nicolas Ferre
2012-11-16  9:39         ` Jean-Christophe PLAGNIOL-VILLARD
2012-11-16  9:39           ` Jean-Christophe PLAGNIOL-VILLARD
2012-11-15  4:56 ` [PATCH 4/4] pinctrl: nomadik: " Axel Lin
2012-11-15  4:56   ` Axel Lin
2012-11-15 14:42   ` Linus Walleij
2012-11-15 14:42     ` Linus Walleij
2012-11-15 15:15     ` Lee Jones
2012-11-15 15:15       ` Lee Jones
2012-11-15  7:35 ` [PATCH 1/4] pinctrl: dove: " Thomas Petazzoni
2012-11-15  7:35   ` Thomas Petazzoni
2012-11-15 13:44   ` Axel Lin
2012-11-15 13:56     ` Thomas Petazzoni
2012-11-15 13:56       ` Thomas Petazzoni

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