drm/amd/powerplay: fix NULL point check error

&& was used instead of ||

Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/polaris10_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/polaris10_hwmgr.c
index 94b2a73..4115dd8 100644 (file)
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/polaris10_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/polaris10_hwmgr.c
@@ -199,8 +199,9 @@ void phm_apply_dal_min_voltage_request(struct pp_hwmgr *hwmgr)
        enum PP_DAL_POWERLEVEL dal_power_level = hwmgr->dal_power_level;
        uint32_t req_vddc = 0, req_volt, i;
 
-       if (!table && !(dal_power_level >= PP_DAL_POWERLEVEL_ULTRALOW &&
-                       dal_power_level <= PP_DAL_POWERLEVEL_PERFORMANCE))
+       if (!table || table-count <= 0
+               || dal_power_level < PP_DAL_POWERLEVEL_ULTRALOW
+               || dal_power_level > PP_DAL_POWERLEVEL_PERFORMANCE)
                return;
 
        for (i = 0; i < table->count; i++) {