ASoC: stm32: spdifrx: fix regmap status check

Release resources when exiting on error.

Fixes: 1a5c0b28fc56 ("ASoC: stm32: spdifrx: manage identification registers")
Signed-off-by: Olivier Moysan <olivier.moysan@st.com>
Link: https://lore.kernel.org/r/20200318144125.9163-2-olivier.moysan@st.com
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/stm/stm32_spdifrx.c b/sound/soc/stm/stm32_spdifrx.c
index 3769d9ce5dbef9f546bd93c11c628d1c5c6b5439..e6e75897cce838d653f292a4324d40957423f14c 100644 (file)
--- a/sound/soc/stm/stm32_spdifrx.c
+++ b/sound/soc/stm/stm32_spdifrx.c
@@ -1009,6 +1009,8 @@ static int stm32_spdifrx_probe(struct platform_device *pdev)
 
        if (idr == SPDIFRX_IPIDR_NUMBER) {
                ret = regmap_read(spdifrx->regmap, STM32_SPDIFRX_VERR, &ver);
+               if (ret)
+                       goto error;
 
                dev_dbg(&pdev->dev, "SPDIFRX version: %lu.%lu registered\n",
                        FIELD_GET(SPDIFRX_VERR_MAJ_MASK, ver),