linux-kernel - [PATCH 5.17 219/343] spi: rpc-if: Fix RPM imbalance in probe error path

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Message-Id: <20220412062957.663302382@linuxfoundation.org>
Date:   Tue, 12 Apr 2022 08:30:37 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Wolfram Sang <wsa+renesas@...g-engineering.com>,
        Mark Brown <broonie@...nel.org>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.17 219/343] spi: rpc-if: Fix RPM imbalance in probe error path

From: Geert Uytterhoeven <geert+renesas@...der.be>

[ Upstream commit 2f8cf5f642e80f8b6b0e660a9c86924a1f41cd80 ]

If rpcif_hw_init() fails, Runtime PM is left enabled.

Fixes: b04cc0d912eb80d3 ("memory: renesas-rpc-if: Add support for RZ/G2L")
Signed-off-by: Geert Uytterhoeven <geert+renesas@...der.be>
Reviewed-by: Wolfram Sang <wsa+renesas@...g-engineering.com>
Link: https://lore.kernel.org/r/1c78a1f447d019bb66b6e7787f520ae78821e2ae.1648562287.git.geert+renesas@glider.be
Signed-off-by: Mark Brown <broonie@...nel.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/spi/spi-rpc-if.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/spi/spi-rpc-if.c b/drivers/spi/spi-rpc-if.c
index fe82f3575df4..24ec1c83f379 100644
--- a/drivers/spi/spi-rpc-if.c
+++ b/drivers/spi/spi-rpc-if.c
@@ -158,14 +158,18 @@ static int rpcif_spi_probe(struct platform_device *pdev)
 
 	error = rpcif_hw_init(rpc, false);
 	if (error)
-		return error;
+		goto out_disable_rpm;
 
 	error = spi_register_controller(ctlr);
 	if (error) {
 		dev_err(&pdev->dev, "spi_register_controller failed\n");
-		rpcif_disable_rpm(rpc);
+		goto out_disable_rpm;
 	}
 
+	return 0;
+
+out_disable_rpm:
+	rpcif_disable_rpm(rpc);
 	return error;
 }
 
-- 
2.35.1