Messages in this thread Patch in this message | | | Date | Tue, 26 Jan 2016 12:25:21 +0300 | From | Dan Carpenter <> | Subject | [patch] iio: inkern: fix a NULL dereference on error |
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In twl4030_bci_probe() there are some failure paths where we call iio_channel_release() with a NULL pointer. (Apparently, that driver can opperate without a valid channel pointer). Let's fix it by adding a NULL check in iio_channel_release().
Fixes: 2202e1fc5a29 ('drivers: power: twl4030_charger: fix link problems when building as module') Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
diff --git a/drivers/iio/inkern.c b/drivers/iio/inkern.c index 80fbbfd..734a004 100644 --- a/drivers/iio/inkern.c +++ b/drivers/iio/inkern.c @@ -349,6 +349,8 @@ EXPORT_SYMBOL_GPL(iio_channel_get); void iio_channel_release(struct iio_channel *channel) { + if (!channel) + return; iio_device_put(channel->indio_dev); kfree(channel); }
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