[PATCH 4.9 50/92] Input: xpad - simplify error condition in init_output

Greg Kroah-Hartman
2018-11-29T14:22:26Z

[ Upstream commit a8c34e27fb1ece928ec728bfe596aa6ca0b1928a ]

Replace first goto with simple returns as we really are just returning
one error code.

Signed-off-by: Pavel Rojtberg <rojtberg@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/input/joystick/xpad.c | 13 ++++++-------
1 file changed, 6 insertions(+), 7 deletions(-)

diff --git a/drivers/input/joystick/xpad.c b/drivers/input/joystick/xpad.c
index b06f4b0785f7..d837900d609e 100644
--- a/drivers/input/joystick/xpad.c
+++ b/drivers/input/joystick/xpad.c
@@ -851,17 +851,15 @@ static int xpad_init_output(struct usb_interface *intf, struct usb_xpad *xpad)

xpad->odata = usb_alloc_coherent(xpad->udev, XPAD_PKT_LEN,
GFP_KERNEL, &xpad->odata_dma);
- if (!xpad->odata) {
- error = -ENOMEM;
- goto fail1;
- }
+ if (!xpad->odata)
+ return -ENOMEM;

spin_lock_init(&xpad->odata_lock);

xpad->irq_out = usb_alloc_urb(0, GFP_KERNEL);
if (!xpad->irq_out) {
error = -ENOMEM;
- goto fail2;
+ goto err_free_coherent;
}

/* Xbox One controller has in/out endpoints swapped. */
@@ -877,8 +875,9 @@ static int xpad_init_output(struct usb_interface *intf, struct usb_xpad *xpad)

return 0;

- fail2: usb_free_coherent(xpad->udev, XPAD_PKT_LEN, xpad->odata, xpad->odata_dma);
- fail1: return error;
+err_free_coherent:
+ usb_free_coherent(xpad->udev, XPAD_PKT_LEN, xpad->odata, xpad->odata_dma);
+ return error;
}

static void xpad_stop_output(struct usb_xpad *xpad)
--
2.17.1