]> git.proxmox.com Git - mirror_ubuntu-eoan-kernel.git/commit
clk: Check parent for NULL in clk_change_rate
authorPawel Moll <pawel.moll@arm.com>
Fri, 8 Jun 2012 13:04:06 +0000 (14:04 +0100)
committerMike Turquette <mturquette@linaro.org>
Mon, 25 Jun 2012 23:51:48 +0000 (16:51 -0700)
commitbf47b4fd8f9f81cd5ce40e1945c6334d088226d1
tree2bec386cffb13652e45cd9e4bca533744a492209
parent7975059db572eb47f0fb272a62afeae272a4b209
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
drivers/clk/clk.c