spi: rpc-if: Fix RPM imbalance in probe error path

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 <[e-mail]>
Reviewed-by: Wolfram Sang <[e-mail]>
Link: https://lore.kernel.org/r/1c78a[e-mail]
Signed-off-by: Mark Brown <[e-mail]>

drivers/spi/spi-rpc-if.c

···
 
 	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;
 }