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drm/amd/powerplay: fix static checker warnings in smu7_hwmgr.c

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variable dereferenced before check it

Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Rex Zhu 2016-10-11 18:51:16 +08:00 committed by Alex Deucher
parent e07053241b
commit 9faa6b0277
1 changed files with 4 additions and 2 deletions
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6
drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
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@ -3802,13 +3802,15 @@ static inline bool smu7_are_power_levels_equal(const struct smu7_performance_lev
int smu7_check_states_equal(struct pp_hwmgr *hwmgr, const struct pp_hw_power_state *pstate1, const struct pp_hw_power_state *pstate2, bool *equal)
{
const struct smu7_power_state *psa = cast_const_phw_smu7_power_state(pstate1);
const struct smu7_power_state *psb = cast_const_phw_smu7_power_state(pstate2);
const struct smu7_power_state *psa;
const struct smu7_power_state *psb;
int i;
if (pstate1 == NULL || pstate2 == NULL || equal == NULL)
return -EINVAL;
psa = cast_const_phw_smu7_power_state(pstate1);
psb = cast_const_phw_smu7_power_state(pstate2);
/* If the two states don't even have the same number of performance levels they cannot be the same state. */
if (psa->performance_level_count != psb->performance_level_count) {
*equal = false;