[PATCHv2 1/2] hid: hid-pl: handle probe errors

[Oliver Neukum <oneukum@suse.com>]

Errors in init must be reported back or we'll
follow a NULL pointer the first time FF is used,
because plff_init() initializes the private member.

V2: resend full series

Fixes: 20eb127906709 ("hid: force feedback driver for PantherLord USB/PS2 2in1 Adapter")
Cc: <stable@vger.kernel.org>
Signed-off-by: Oliver Neukum <oneukum@suse.com>
---
 drivers/hid/hid-pl.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/hid/hid-pl.c b/drivers/hid/hid-pl.c
index 3c8827081dea..dc11d5322fc0 100644
--- a/drivers/hid/hid-pl.c
+++ b/drivers/hid/hid-pl.c
@@ -194,9 +194,14 @@ static int pl_probe(struct hid_device *hdev, const struct hid_device_id *id)
 		goto err;
 	}
 
-	plff_init(hdev);
+	ret = plff_init(hdev);
+	if (ret)
+		goto stop;
 
 	return 0;
+
+stop:
+	hid_hw_stop(hdev);
 err:
 	return ret;
 }
-- 
2.53.0