We attempt to read 6 bytes, make sure we have.
Signed-off-by: Dhinakaran Pandiyan <[email protected]>
---
drivers/gpu/drm/i915/intel_dp.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 62f82c4298ac..7dcc874b7d8f 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -3989,7 +3989,7 @@ int intel_dp_sink_crc(struct intel_dp *intel_dp, struct
intel_crtc_state *crtc_s
goto stop;
}
- if (drm_dp_dpcd_read(&intel_dp->aux, DP_TEST_CRC_R_CR, crc, 6) < 0) {
+ if (drm_dp_dpcd_read(&intel_dp->aux, DP_TEST_CRC_R_CR, crc, 6) != 6) {
ret = -EIO;
goto stop;
}
--
2.14.1
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