Pawel Moll bf47b4fd8f clk: Check parent for NULL in clk_change_rate ...

clk_change_rate() is accessing parent's rate without checking
if the parent exists at all. In case of root clocks this will
cause NULL pointer dereference.

This patch follows what clk_calc_new_rates() does in such
situation.

Signed-off-by: Pawel Moll <pawel.moll@arm.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
Cc: stable@kernel.org

2012-06-25 16:51:48 -07:00

38 KiB

Raw Blame History

View Raw