linux-kernel - [PATCH] spi: mxic: Fix an error handling path in mxic_spi

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Message-Id: <09c81f751241f6ec0bac7a48d4ec814a742e0d17.1648980664.git.christophe.jaillet@wanadoo.fr>
Date:   Sun,  3 Apr 2022 12:11:13 +0200
From:   Christophe JAILLET <christophe.jaillet@...adoo.fr>
To:     Mark Brown <broonie@...nel.org>,
        Miquel Raynal <miquel.raynal@...tlin.com>
Cc:     linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org,
        Christophe JAILLET <christophe.jaillet@...adoo.fr>,
        linux-spi@...r.kernel.org
Subject: [PATCH] spi: mxic: Fix an error handling path in mxic_spi_probe()

If spi_register_master() fails, we must undo a previous
mxic_spi_mem_ecc_probe() call, as already done in the remove function.

Fixes: 00360ebae483 ("spi: mxic: Add support for pipelined ECC operations")
Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
---
 drivers/spi/spi-mxic.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/spi/spi-mxic.c b/drivers/spi/spi-mxic.c
index 55c092069301..65be8e085ab8 100644
--- a/drivers/spi/spi-mxic.c
+++ b/drivers/spi/spi-mxic.c
@@ -813,6 +813,7 @@ static int mxic_spi_probe(struct platform_device *pdev)
 	if (ret) {
 		dev_err(&pdev->dev, "spi_register_master failed\n");
 		pm_runtime_disable(&pdev->dev);
+		mxic_spi_mem_ecc_remove(mxic);
 	}
 
 	return ret;
-- 
2.32.0