USB: cdc-acm: fix open and suspend race

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commit 703df3297f upstream.

We must not do the usb_autopm_put_interface() before submitting the read
urbs or we might end up doing I/O to a suspended device.

Fixes: 088c64f812 ("USB: cdc-acm: re-write read processing")
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 19:23:42 +02:00 • committed by Greg Kroah-Hartman

parent 88da9d741b

commit 9f074718f0

1 changed files with 3 additions and 4 deletions

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drivers/usb/class/cdc-acm.c

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