From baf106f3a7ba8bf317e1f9d32ee88955723cbc71 Mon Sep 17 00:00:00 2001 From: "Mario Limonciello (AMD)" Date: Thu, 9 Oct 2025 11:17:53 -0500 Subject: [PATCH] cpufreq/amd-pstate: Make amd_pstate_get_mode_string() never return NULL amd_pstate_get_mode_string() is only used by amd-pstate-ut. Set the failure path to use AMD_PSTATE_UNDEFINED ("undefined") to avoid showing "(null)" as a string when running test suite. Reviewed-by: Gautham R. Shenoy Signed-off-by: Mario Limonciello (AMD) --- drivers/cpufreq/amd-pstate.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/cpufreq/amd-pstate.c b/drivers/cpufreq/amd-pstate.c index a5b9e5baf4234..5feb9f5e3a491 100644 --- a/drivers/cpufreq/amd-pstate.c +++ b/drivers/cpufreq/amd-pstate.c @@ -70,8 +70,8 @@ static_assert(ARRAY_SIZE(amd_pstate_mode_string) == AMD_PSTATE_MAX); const char *amd_pstate_get_mode_string(enum amd_pstate_mode mode) { - if (mode < 0 || mode >= AMD_PSTATE_MAX) - return NULL; + if (mode < AMD_PSTATE_UNDEFINED || mode >= AMD_PSTATE_MAX) + mode = AMD_PSTATE_UNDEFINED; return amd_pstate_mode_string[mode]; } EXPORT_SYMBOL_GPL(amd_pstate_get_mode_string); -- 2.47.3