[PATCH] cpufreq: scmi: Fix possible null pointer dereference

[Dan Carpenter]

On Sat, Apr 12, 2025 at 01:08:31PM -0500, Chenyuan Yang wrote:
> Check if policy is NULL before dereferencing it.
> 
> This is similar to the commit cf7de25878a1
> ("cppc_cpufreq: Fix possible null pointer dereference").
> 
> This is found by our static analysis tool KNighter.
> 
> Signed-off-by: Chenyuan Yang <chenyuan0y at gmail.com>
> Fixes: 99d6bdf33877 ("cpufreq: add support for CPU DVFS based on SCMI message protocol")

Henry Martin already fixed this in commit 484d3f15cc6c ("cpufreq: scmi:
Fix null-ptr-deref in scmi_cpufreq_get_rate()").

regards,
dan carpenter