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

From: Greg Kroah-Hartman
Date: Tue Apr 12 2022 - 05:29:32 EST


From: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>

[ 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@xxxxxxxxx>
Reviewed-by: Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/1c78a1f447d019bb66b6e7787f520ae78821e2ae.1648562287.git.geert+renesas@xxxxxxxxx
Signed-off-by: Mark Brown <broonie@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
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