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-rw-r--r--drivers/gpu/drm/i915/intel_dp.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index c02e022ace70..ff0aa6f87679 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -1203,6 +1203,8 @@ static int intersect_rates(const int *source_rates, int source_len,
while (i < source_len && j < sink_len) {
if (source_rates[i] == sink_rates[j]) {
+ if (WARN_ON(k >= DP_MAX_SUPPORTED_RATES))
+ return k;
supported_rates[k] = source_rates[i];
++k;
++i;