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(parent: 768df96) | patch
USB: cdc-acm: fix potential urb leak and PM imbalance in write
authorJohan Hovold <jhovold@gmail.com>
Mon, 26 May 2014 17:23:41 +0000 (19:23 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 26 Jun 2014 19:17:35 +0000 (15:17 -0400)
commit88da9d741b716d2ea49129da338cdb76bf1015bb
tree540e2a9d5904a64dcecac3705d092d5dc2a29907tree | snapshot
parent768df96965c17868ce55007fb1ac49fe11dee371commit | diff
USB: cdc-acm: fix potential urb leak and PM imbalance in write

commit 183a45087d126d126e8dd1d9b2602fc129dff9ad 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: 11ea859d64b6 ("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>
drivers/usb/class/cdc-acm.c diff | blob | history
unionfs2-2.6.39.y