Re: [PATCH 6.1.y] cpufreq: amd-pstate: add check for cpufreq_cpu_get's return value

On Fri, Dec 06, 2024 at 06:41:15PM +0800, jianqi.ren.cn@windriver.com wrote:

From: Anastasia Belova abelova@astralinux.ru

[ Upstream commit 5493f9714e4cdaf0ee7cec15899a231400cb1a9f ]

cpufreq_cpu_get may return NULL. To avoid NULL-dereference check it and return in case of error.

Found by Linux Verification Center (linuxtesting.org) with SVACE.

Signed-off-by: Anastasia Belova abelova@astralinux.ru Reviewed-by: Perry Yuan perry.yuan@amd.com Signed-off-by: Viresh Kumar viresh.kumar@linaro.org Signed-off-by: Jianqi Ren jianqi.ren.cn@windriver.com

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drivers/cpufreq/amd-pstate.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-)

Any reason you are not cc:ing all of the people involved in these patches when backporting them?

thanks,

greg k-h