diff --git a/drivers/media/video/s5p-mfc/s5p_mfc_dec.c b/drivers/media/video/s5p-mfc/s5p_mfc_dec.c
index 4dd32fc8fd82..feea867f318c 100644
--- a/drivers/media/video/s5p-mfc/s5p_mfc_dec.c
+++ b/drivers/media/video/s5p-mfc/s5p_mfc_dec.c
@@ -996,6 +996,7 @@ int s5p_mfc_dec_ctrls_setup(struct s5p_mfc_ctx *ctx)
 
 	for (i = 0; i < NUM_CTRLS; i++) {
 		if (IS_MFC51_PRIV(controls[i].id)) {
+			memset(&cfg, 0, sizeof(struct v4l2_ctrl_config));
 			cfg.ops = &s5p_mfc_dec_ctrl_ops;
 			cfg.id = controls[i].id;
 			cfg.min = controls[i].minimum;
diff --git a/drivers/media/video/s5p-mfc/s5p_mfc_enc.c b/drivers/media/video/s5p-mfc/s5p_mfc_enc.c
index 03d83340e7fb..158b78989b89 100644
--- a/drivers/media/video/s5p-mfc/s5p_mfc_enc.c
+++ b/drivers/media/video/s5p-mfc/s5p_mfc_enc.c
@@ -1773,6 +1773,7 @@ int s5p_mfc_enc_ctrls_setup(struct s5p_mfc_ctx *ctx)
 	}
 	for (i = 0; i < NUM_CTRLS; i++) {
 		if (IS_MFC51_PRIV(controls[i].id)) {
+			memset(&cfg, 0, sizeof(struct v4l2_ctrl_config));
 			cfg.ops = &s5p_mfc_enc_ctrl_ops;
 			cfg.id = controls[i].id;
 			cfg.min = controls[i].minimum;