linux-kernel - [PATCH v5 2/2] mmc: starfive: Add initialization of prev

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Date:   Tue, 7 Mar 2023 10:46:46 +0800
From:   William Qiu <william.qiu@...rfivetech.com>
To:     <devicetree@...r.kernel.org>, <linux-mmc@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
CC:     Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Jaehoon Chung <jh80.chung@...sung.com>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        William Qiu <william.qiu@...rfivetech.com>,
        Conor Dooley <conor.dooley@...rochip.com>,
        <linux-riscv@...ts.infradead.org>
Subject: [PATCH v5 2/2] mmc: starfive: Add initialization of prev_err

Add a incremental updates to fix a bug that prev_err is uninitialized.

Signed-off-by: William Qiu <william.qiu@...rfivetech.com>
Reported-by: Dan Carpenter <error27@...il.com>
---
 drivers/mmc/host/dw_mmc-starfive.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mmc/host/dw_mmc-starfive.c b/drivers/mmc/host/dw_mmc-starfive.c
index 40f5969b07a6..dab1508bf83c 100644
--- a/drivers/mmc/host/dw_mmc-starfive.c
+++ b/drivers/mmc/host/dw_mmc-starfive.c
@@ -51,7 +51,7 @@ static int dw_mci_starfive_execute_tuning(struct dw_mci_slot *slot,
 	struct dw_mci *host = slot->host;
 	struct starfive_priv *priv = host->priv;
 	int rise_point = -1, fall_point = -1;
-	int err, prev_err;
+	int err, prev_err = 0;
 	int i;
 	bool found = 0;
 	u32 regval;
-- 
2.34.1