USB: iowarrior: fix use-after-free after driver unbind
commit b5f8d468 upstream. Make sure to stop also the asynchronous write URBs on disconnect() to avoid use-after-free in the completion handler after driver unbind. Fixes: 946b960d ("USB: add driver for iowarrior devices.") Cc: stable <stable@vger.kernel.org> # 2.6.21: 51a2f077 ("USB: introduce usb_anchor") Signed-off-by:Johan Hovold <johan@kernel.org> Link: https://lore.kernel.org/r/20191009104846.5925-4-johan@kernel.orgSigned-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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