Johan Hovold 7e7797e7f6 USB: cdc-acm: fix potential null-pointer dereference on disconnect ...

Fix potential null-pointer exception on disconnect introduced by commit
11ea859d64 (USB: additional power savings
for cdc-acm devices that support remote wakeup).

Only access acm->dev after making sure it is non-null in control urb
completion handler.

Cc: stable <stable@kernel.org>
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

2011-03-23 13:22:02 -07:00

47 KiB

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