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power: fix frequency list return code

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The power_pstate_cpufreq_freqs() function was returning -1 in an
unsigned int, causing buffer over-runs when the results were being
processed. This function should be returning zero for all error
conditions, similar to it's acpi relation, power_acpi_cpufreq_freqs().

Fixes: e6c6dc0f96c8 ("power: add p-state driver compatibility")

Signed-off-by: David Hunt <david.hunt@intel.com>
This commit is contained in:
David Hunt 2019-01-07 14:40:23 +00:00 committed by Thomas Monjalon
parent 2e6ccdb4e0
commit ad514edf71
1 changed files with 1 additions and 1 deletions
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lib/librte_power/power_pstate_cpufreq.c
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@ -581,7 +581,7 @@ power_pstate_cpufreq_freqs(unsigned int lcore_id, uint32_t *freqs, uint32_t num)
if (lcore_id >= RTE_MAX_LCORE) { if (lcore_id >= RTE_MAX_LCORE) {
RTE_LOG(ERR, POWER, "Invalid lcore ID\n"); RTE_LOG(ERR, POWER, "Invalid lcore ID\n");
return -1; return 0;
} }
if (freqs == NULL) { if (freqs == NULL) {