From: K Prateek Nayak Date: Fri, 8 May 2026 05:17:44 +0000 (+0000) Subject: cpufreq/amd-pstate: Return -ENOMEM on failure to allocate profile_name X-Git-Tag: v7.1-rc5~32^2^2~5 X-Git-Url: http://git.ipfire.org/gitweb/index.cgi?a=commitdiff_plain;h=87d2a8dec0f02b200eb3527da0ab11ba4d4e7deb;p=thirdparty%2Flinux.git cpufreq/amd-pstate: Return -ENOMEM on failure to allocate profile_name Failure to allocate profile name will return -EINVAL from platform_profile_register() while in fact, it is a failure to allocate memory for the profile_name string. Return -ENOMEM when kasprintf() fails to allocate profile_name string. Fixes: e30ca6dd5345 ("cpufreq/amd-pstate: Add dynamic energy performance preference") Reviewed-by: Mario Limonciello Signed-off-by: K Prateek Nayak Link: https://lore.kernel.org/r/20260508051748.10484-3-kprateek.nayak@amd.com Signed-off-by: Mario Limonciello (AMD) --- diff --git a/drivers/cpufreq/amd-pstate.c b/drivers/cpufreq/amd-pstate.c index 5e2d28c73294d..72514be2f30fb 100644 --- a/drivers/cpufreq/amd-pstate.c +++ b/drivers/cpufreq/amd-pstate.c @@ -1291,6 +1291,8 @@ static int amd_pstate_set_dynamic_epp(struct cpufreq_policy *policy) return ret; cpudata->profile_name = kasprintf(GFP_KERNEL, "amd-pstate-epp-cpu%d", cpudata->cpu); + if (!cpudata->profile_name) + return -ENOMEM; cpudata->ppdev = platform_profile_register(get_cpu_device(policy->cpu), cpudata->profile_name,