Techwizz/kernel-fxtec-pro1x
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HID: i2c-hid: exit if the IRQ is not valid

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When i2c-core doesn't find the IRQ associated to the GPIO because
the gpiochip is not available, it assigns -EPROBE_DEFER to the irq.
We need to bail out there and on any other error in an IRQ.

Signed-off-by: David Arcari <darcari@redhat.com>
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This commit is contained in:
David Arcari 2016-10-13 11:30:45 +02:00 committed by Jiri Kosina
parent ba18a9314a
commit 93d26aeab5
1 changed files with 7 additions and 0 deletions
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7
drivers/hid/i2c-hid/i2c-hid.c
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@ -956,6 +956,13 @@ static int i2c_hid_probe(struct i2c_client *client,
return -EINVAL;
}
if (client->irq < 0) {
if (client->irq != -EPROBE_DEFER)
dev_err(&client->dev,
"HID over i2c doesn't have a valid IRQ\n");
return client->irq;
}
ihid = kzalloc(sizeof(struct i2c_hid), GFP_KERNEL);
if (!ihid)
return -ENOMEM;