Alex Elder 051fb04712 greybus: don't assume subdevs are valid
Most of the disconnect routines for the "subdevs" of a module
blindly assume that initialization of the subdev was successful.

Fix this by checking for null pointers.

Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>
2014-10-17 18:11:59 +02:00
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