Use proper negative error codes intead of magic -1. Don't set a bad example, as -1 is -EPERM. Signed-off-by: Jani Nikula <jani.nikula@xxxxxxxxx> --- drivers/gpu/drm/i915/display/intel_dp.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index e05e25cd4a94..30c1f39ff6d6 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -600,7 +600,7 @@ static int intersect_rates(const int *source_rates, int source_len, return k; } -/* return index of rate in rates array, or -1 if not found */ +/* return index of rate in rates array, or -ENOENT if not found */ static int intel_dp_rate_index(const int *rates, int len, int rate) { int i; @@ -609,7 +609,7 @@ static int intel_dp_rate_index(const int *rates, int len, int rate) if (rate == rates[i]) return i; - return -1; + return -ENOENT; } static void intel_dp_set_common_rates(struct intel_dp *intel_dp) @@ -680,7 +680,7 @@ int intel_dp_get_link_train_fallback_values(struct intel_dp *intel_dp, */ if (intel_dp->is_mst) { drm_err(&i915->drm, "Link Training Unsuccessful\n"); - return -1; + return -EINVAL; } if (intel_dp_is_edp(intel_dp) && !intel_dp->use_max_params) { @@ -717,7 +717,7 @@ int intel_dp_get_link_train_fallback_values(struct intel_dp *intel_dp, intel_dp->max_link_lane_count = lane_count >> 1; } else { drm_err(&i915->drm, "Link Training Unsuccessful\n"); - return -1; + return -EINVAL; } return 0; -- 2.39.2