linux-kernel - [PATCH AUTOSEL 5.5 097/121] ASoC: stm32: spdifrx: fix regmap status check

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Message-Id: <20200411230706.23855-97-sashal@kernel.org>
Date:   Sat, 11 Apr 2020 19:06:42 -0400
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Olivier Moysan <olivier.moysan@...com>,
        Mark Brown <broonie@...nel.org>,
        Sasha Levin <sashal@...nel.org>, alsa-devel@...a-project.org,
        linux-stm32@...md-mailman.stormreply.com,
        linux-arm-kernel@...ts.infradead.org
Subject: [PATCH AUTOSEL 5.5 097/121] ASoC: stm32: spdifrx: fix regmap status check

From: Olivier Moysan <olivier.moysan@...com>

[ Upstream commit a168dae5ea14283e8992d5282237bb0d6a3e1c06 ]

Release resources when exiting on error.

Fixes: 1a5c0b28fc56 ("ASoC: stm32: spdifrx: manage identification registers")

Signed-off-by: Olivier Moysan <olivier.moysan@...com>
Link: https://lore.kernel.org/r/20200318144125.9163-2-olivier.moysan@st.com
Signed-off-by: Mark Brown <broonie@...nel.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 sound/soc/stm/stm32_spdifrx.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/sound/soc/stm/stm32_spdifrx.c b/sound/soc/stm/stm32_spdifrx.c
index 3769d9ce5dbef..e6e75897cce83 100644
--- 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),
-- 
2.20.1