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char: xillybus: fix a refcount leak in cleanup_dev()

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usb_get_dev is called in xillyusb_probe. So it is better to call
usb_put_dev before xdev is released.

Acked-by: Eli Billauer <eli.billauer@gmail.com>
Signed-off-by: Hangyu Hua <hbh25y@gmail.com>
Link: https://lore.kernel.org/r/20220406075703.23464-1-hbh25y@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Hangyu Hua 2022-04-06 15:57:03 +08:00 committed by Greg Kroah-Hartman
parent 88517757a8
commit b67d19662f
1 changed files with 1 additions and 0 deletions
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drivers/char/xillybus/xillyusb.c
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@ -549,6 +549,7 @@ static void cleanup_dev(struct kref *kref)
if (xdev->workq)
destroy_workqueue(xdev->workq);
usb_put_dev(xdev->udev);
kfree(xdev->channels); /* Argument may be NULL, and that's fine */
kfree(xdev);
}