USB: cdc-acm: fix potential urb leak and PM imbalance in write

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commit 183a45087d upstream.

Make sure to check return value of autopm get in write() in order to
avoid urb leak and PM counter imbalance on errors.

Fixes: 11ea859d64 ("USB: additional power savings for cdc-acm devices
that support remote wakeup")

Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Johan Hovold 2014-05-26 19:23:41 +02:00 • committed by Greg Kroah-Hartman

parent 768df96965

commit 88da9d741b

1 changed files with 7 additions and 1 deletions

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drivers/usb/class/cdc-acm.c

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