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From: Dan Carpenter <error27@gmail.com>
To: Greg Kroah-Hartman <gregkh@suse.de>
Cc: Jonathan Cameron <jic23@cam.ac.uk>,
	devel@driverdev.osuosl.org, linux-kernel@vger.kernel.org,
	kernel-janitors@vger.kernel.org
Subject: [patch] iio: test for failed allocation
Date: Tue, 16 Mar 2010 10:03:49 +0000	[thread overview]
Message-ID: <20100316100349.GA4219@bicker> (raw)

We should return test to see if iio_allocate_trigger() fails and return -ENOMEM.

Signed-off-by: Dan Carpenter <error27@gmail.com>

diff --git a/drivers/staging/iio/accel/lis3l02dq_ring.c b/drivers/staging/iio/accel/lis3l02dq_ring.c
index a6b7c72..db3270f 100644
--- a/drivers/staging/iio/accel/lis3l02dq_ring.c
+++ b/drivers/staging/iio/accel/lis3l02dq_ring.c
@@ -492,6 +492,9 @@ int lis3l02dq_probe_trigger(struct iio_dev *indio_dev)
 	struct lis3l02dq_state *state = indio_dev->dev_data;
 
 	state->trig = iio_allocate_trigger();
+	if (!state->trig)
+		return -ENOMEM;
+
 	state->trig->name = kmalloc(IIO_TRIGGER_NAME_LENGTH, GFP_KERNEL);
 	if (!state->trig->name) {
 		ret = -ENOMEM;

             reply	other threads:[~2010-03-16 10:03 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-03-16 10:03 Dan Carpenter [this message]
2010-03-16 10:58 ` [patch] iio: test for failed allocation Jonathan Cameron

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