[lm-sensors] [PATCH] hwmon: (iio_hwmon) Fix null pointer dereference

[lm-sensors] [PATCH] hwmon: (iio_hwmon) Fix null pointer dereference

[Axel Lin]

This patch fixes the null pointer dereference in goto error_release_channels
path when allocate memory for st fails.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Axel Lin <axel.lin@ingics.com>
---
 drivers/hwmon/iio_hwmon.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/hwmon/iio_hwmon.c b/drivers/hwmon/iio_hwmon.c
index 368497f..52b77af 100644
--- a/drivers/hwmon/iio_hwmon.c
+++ b/drivers/hwmon/iio_hwmon.c
@@ -161,7 +161,7 @@ static int iio_hwmon_probe(struct platform_device *pdev)
 error_remove_group:
 	sysfs_remove_group(&dev->kobj, &st->attr_group);
 error_release_channels:
-	iio_channel_release_all(st->channels);
+	iio_channel_release_all(channels);
 	return ret;
 }
 
-- 
1.8.1.2




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Re: [lm-sensors] [PATCH] hwmon: (iio_hwmon) Fix null pointer dereference

[Guenter Roeck]

On Mon, May 13, 2013 at 09:37:26PM +0800, Axel Lin wrote:
> This patch fixes the null pointer dereference in goto error_release_channels
> path when allocate memory for st fails.
> 
> Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
> Signed-off-by: Axel Lin <axel.lin@ingics.com>

That was quick.

Applied, thanks.

Guenter

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