On 05-01-21, 10:19, Colin King wrote:
> From: Colin Ian King <[email protected]>
> 
> Currently there is an unlikely case where cpufreq_cpu_get returns a
> null policy and this will cause a null pointer dereference later on.
> Fix this by passing the policy to transition_frequency_fidvid from the
> caller and hence eliminating the need for the cpufreq_cpu_get and
> cpufreq_cpu_put.  Thanks to Viresh Kumar for suggesting the fix.
> 
> Addresses-Coverity: ("Dereference null return")
> Fixes: b43a7ffbf33b ("cpufreq: Notify all policy->cpus in 
> cpufreq_notify_transition()")
> Signed-off-by: Colin Ian King <[email protected]>
> ---
> 
> V2: pass the policy to transition_frequency_fidvid rather than add
>     a null pointer check on the return from a cpufreq_cpu_get call.
> V3: update subject line to match the fix
> 
> ---
>  drivers/cpufreq/powernow-k8.c | 9 +++------
>  1 file changed, 3 insertions(+), 6 deletions(-)

Acked-by: Viresh Kumar <[email protected]>

-- 
viresh

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