diff --git a/sound/soc/stm/stm32_sai_sub.c b/sound/soc/stm/stm32_sai_sub.c
index d4825700b63f66464938a7a8547414517cb8722e..f9297228c41ce4412f86d9ba7010ba714d44d345 100644
--- a/sound/soc/stm/stm32_sai_sub.c
+++ b/sound/soc/stm/stm32_sai_sub.c
@@ -898,7 +898,7 @@ static int stm32_sai_configure_clock(struct snd_soc_dai *cpu_dai,
 				     struct snd_pcm_hw_params *params)
 {
 	struct stm32_sai_sub_data *sai = snd_soc_dai_get_drvdata(cpu_dai);
-	int cr1, mask, div = 0;
+	int div = 0;
 	int sai_clk_rate, mclk_ratio, den;
 	unsigned int rate = params_rate(params);
 
@@ -943,10 +943,8 @@ static int stm32_sai_configure_clock(struct snd_soc_dai *cpu_dai,
 		} else {
 			if (sai->mclk_rate) {
 				mclk_ratio = sai->mclk_rate / rate;
-				if (mclk_ratio == 512) {
-					mask = SAI_XCR1_OSR;
-					cr1 = SAI_XCR1_OSR;
-				} else if (mclk_ratio != 256) {
+				if ((mclk_ratio != 512) &&
+				    (mclk_ratio != 256)) {
 					dev_err(cpu_dai->dev,
 						"Wrong mclk ratio %d\n",
 						mclk_ratio);