diff --git a/drivers/gpu/drm/msm/dp/dp_link.c b/drivers/gpu/drm/msm/dp/dp_link.c
index 36bb6191d2f030fb11322dedad1d9ed10b116170..ef35fac333f7c502d4d8c08cc5cefa1380999274 100644
--- a/drivers/gpu/drm/msm/dp/dp_link.c
+++ b/drivers/gpu/drm/msm/dp/dp_link.c
@@ -49,21 +49,21 @@ static int dp_aux_link_power_up(struct drm_dp_aux *aux,
 					struct dp_link_info *link)
 {
 	u8 value;
-	int err;
+	ssize_t len;
 
 	if (link->revision < 0x11)
 		return 0;
 
-	err = drm_dp_dpcd_readb(aux, DP_SET_POWER, &value);
-	if (err < 0)
-		return err;
+	len = drm_dp_dpcd_readb(aux, DP_SET_POWER, &value);
+	if (len < 0)
+		return len;
 
 	value &= ~DP_SET_POWER_MASK;
 	value |= DP_SET_POWER_D0;
 
-	err = drm_dp_dpcd_writeb(aux, DP_SET_POWER, value);
-	if (err < 0)
-		return err;
+	len = drm_dp_dpcd_writeb(aux, DP_SET_POWER, value);
+	if (len < 0)
+		return len;
 
 	usleep_range(1000, 2000);