Commit 55c0c530 authored Mar 03, 2016 by Gregor Boirie Committed by Jonathan Cameron Mar 05, 2016

iio:magnetometer:ak8975: fix uninitialized chipset



ak_def_array bounds are not properly checked in case of ACPI matching
failure. GCC warns with the following message at line 799:
‘chipset’ may be used uninitialized in this function.

Signed-off-by: Gregor Boirie <gregor.boirie@parrot.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

parent f0fa15cc

drivers/iio/magnetometer/ak8975.c

+4 −1

Original line number	Diff line number	Diff line
		@@ -774,8 +774,11 @@ static int ak8975_probe(struct i2c_client *client,
		if (id) {
		chipset = (enum asahi_compass_chipset)(id->driver_data);
		name = id->name;
		} else if (ACPI_HANDLE(&client->dev))
		} else if (ACPI_HANDLE(&client->dev)) {
		name = ak8975_match_acpi_device(&client->dev, &chipset);
		if (!name)
		return -ENODEV;
		}
		else
		return -ENOSYS;