linux-kernel - [PATCH 4.19 074/229] spi: mt7621: Fix an error message in mt7621_spi

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Message-Id: <20221024113001.469797349@linuxfoundation.org>
Date:   Mon, 24 Oct 2022 13:29:53 +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,
        Christophe JAILLET <christophe.jaillet@...adoo.fr>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 4.19 074/229] spi: mt7621: Fix an error message in mt7621_spi_probe()

From: Christophe JAILLET <christophe.jaillet@...adoo.fr>

[ Upstream commit 2b2bf6b7faa9010fae10dc7de76627a3fdb525b3 ]

'status' is known to be 0 at this point. The expected error code is
PTR_ERR(clk).

Switch to dev_err_probe() in order to display the expected error code (in a
human readable way).
This also filters -EPROBE_DEFER cases, should it happen.

Fixes: 1ab7f2a43558 ("staging: mt7621-spi: add mt7621 support")
Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
Reviewed-by: Matthias Brugger <matthias.bgg@...il.com>
Link: https://lore.kernel.org/r/928f3fb507d53ba0774df27cea0bbba4b055993b.1661599671.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Mark Brown <broonie@...nel.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/staging/mt7621-spi/spi-mt7621.c | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/drivers/staging/mt7621-spi/spi-mt7621.c b/drivers/staging/mt7621-spi/spi-mt7621.c
index 75ed48f60c8c..b73823830e3a 100644
--- a/drivers/staging/mt7621-spi/spi-mt7621.c
+++ b/drivers/staging/mt7621-spi/spi-mt7621.c
@@ -442,11 +442,9 @@ static int mt7621_spi_probe(struct platform_device *pdev)
 		return PTR_ERR(base);
 
 	clk = devm_clk_get(&pdev->dev, NULL);
-	if (IS_ERR(clk)) {
-		dev_err(&pdev->dev, "unable to get SYS clock, err=%d\n",
-			status);
-		return PTR_ERR(clk);
-	}
+	if (IS_ERR(clk))
+		return dev_err_probe(&pdev->dev, PTR_ERR(clk),
+				     "unable to get SYS clock\n");
 
 	status = clk_prepare_enable(clk);
 	if (status)
-- 
2.35.1