From: Alex Hung <[email protected]>

[WHAT]
Check NULL before accessing link, not after.

This is reported as a REVERSE_INULL error by Coverity.

Reviewed-by: Aurabindo Pillai <[email protected]>
Signed-off-by: Alex Hung <[email protected]>
Signed-off-by: Matthew Stewart <[email protected]>
---
 drivers/gpu/drm/amd/display/modules/power/power_helpers.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/display/modules/power/power_helpers.c 
b/drivers/gpu/drm/amd/display/modules/power/power_helpers.c
index 864002b63716..df3b8383b06d 100644
--- a/drivers/gpu/drm/amd/display/modules/power/power_helpers.c
+++ b/drivers/gpu/drm/amd/display/modules/power/power_helpers.c
@@ -984,10 +984,13 @@ void set_replay_frame_skip_number(struct dc_link *link,
        uint32_t *frame_skip_number_array = NULL;
        uint32_t frame_skip_number = 0;
 
+       if (link == NULL)
+               return;
+
        if (false == link->replay_settings.config.frame_skip_supported)
                return;
 
-       if (link == NULL || flicker_free_refresh_rate_mhz == 0 || 
coasting_vtotal_refresh_rate_mhz == 0)
+       if (flicker_free_refresh_rate_mhz == 0 || 
coasting_vtotal_refresh_rate_mhz == 0)
                return;
 
        if (is_defer)
-- 
2.52.0

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