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mmc: dw_mmc-starfive: Fix initialization of prev_err 

Fix a bug by making sure prev_err doesn't get used when being
uninitialized.

Signed-off-by: William Qiu <william.qiu@starfivetech.com>
Reported-by: Dan Carpenter <error27@gmail.com>
Reviewed-by: Emil Renner Berthing <emil.renner.berthing@canonical.com>
Fixes: 9e622229bb ("mmc: starfive: Add sdio/emmc driver support")
Link: https://lore.kernel.org/r/20230307024646.10216-3-william.qiu@starfivetech.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
William Qiu 2023-03-07 10:46:46 +08:00 committed by Ulf Hansson
parent 11440da77d
commit 92771cdd90
1 changed files with 1 additions and 1 deletions
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2
drivers/mmc/host/dw_mmc-starfive.c
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@ -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;