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USB: cdc-acm: fix I/O after failed open
authorJohan Hovold <jhovold@gmail.com>
Mon, 26 May 2014 17:23:44 +0000 (19:23 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 26 Jun 2014 19:15:41 +0000 (15:15 -0400)
commit78914c967de06d682a9ea8aa25f5e3106832fcba
tree5fb3db335978aa284c28b213a7aba72be20e4f56tree | snapshot
parentbb086f8a1da9a7c521cc36b2087a544290b17e94commit | diff
USB: cdc-acm: fix I/O after failed open

commit e4c36076c2a6195ec62c35b03c3fde84d0087dc8 upstream.

Make sure to kill any already submitted read urbs on read-urb submission
failures in open in order to prevent doing I/O for a closed port.

Fixes: 088c64f81284 ("USB: cdc-acm: re-write read processing")
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/usb/class/cdc-acm.c diff | blob | history
Domain: System / Kernel;