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USB: Fix unload oops and memory leak in yealink driver

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This patch fixes a memory leak and a kernel oops when trying to unload
the driver, due to an unbalanced cleanup.
Thanks Ivar Jensen for spotting my mistake.

Signed-off-by: Henk Vergonet <henk.vergonet@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Henk Vergonet 2006-09-08 02:21:01 +02:00 committed by Greg Kroah-Hartman
parent 5992583889
commit 3e2aac366f
1 changed files with 6 additions and 6 deletions
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12
drivers/usb/input/yealink.c
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@ -810,12 +810,9 @@ static int usb_cleanup(struct yealink_dev *yld, int err)
if (yld == NULL)
return err;
if (yld->urb_irq) {
usb_kill_urb(yld->urb_irq);
usb_free_urb(yld->urb_irq);
}
if (yld->urb_ctl)
usb_free_urb(yld->urb_ctl);
usb_kill_urb(yld->urb_irq); /* parameter validation in core/urb */
usb_kill_urb(yld->urb_ctl); /* parameter validation in core/urb */
if (yld->idev) {
if (err)
input_free_device(yld->idev);
@ -831,6 +828,9 @@ static int usb_cleanup(struct yealink_dev *yld, int err)
if (yld->irq_data)
usb_buffer_free(yld->udev, USB_PKT_LEN,
yld->irq_data, yld->irq_dma);
usb_free_urb(yld->urb_irq); /* parameter validation in core/urb */
usb_free_urb(yld->urb_ctl); /* parameter validation in core/urb */
kfree(yld);
return err;
}