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ppc4xx: replace sscanf() by kstrtoul()

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Fix the checkpatch.pl warning: "Prefer kstrto<type> to single variable sscanf".

Signed-off-by: Salah Triki <salah.triki@gmail.com>
Link: https://lore.kernel.org/r/20210710165432.GA690401@pc
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Salah Triki 2021-07-10 17:54:32 +01:00 committed by Vinod Koul
parent 2b5b74054c
commit 48ae638be5
1 changed files with 9 additions and 3 deletions
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12
drivers/dma/ppc4xx/adma.c
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@ -4319,6 +4319,7 @@ static ssize_t enable_store(struct device_driver *dev, const char *buf,
size_t count)
{
unsigned long val;
int err;
if (!count || count > 11)
return -EINVAL;
@ -4327,7 +4328,10 @@ static ssize_t enable_store(struct device_driver *dev, const char *buf,
return -EFAULT;
/* Write a key */
sscanf(buf, "%lx", &val);
err = kstrtoul(buf, 16, &val);
if (err)
return err;
dcr_write(ppc440spe_mq_dcr_host, DCRN_MQ0_XORBA, val);
isync();
@ -4368,7 +4372,7 @@ static ssize_t poly_store(struct device_driver *dev, const char *buf,
size_t count)
{
unsigned long reg, val;
int err;
#ifdef CONFIG_440SP
/* 440SP uses default 0x14D polynomial only */
return -EINVAL;
@ -4378,7 +4382,9 @@ static ssize_t poly_store(struct device_driver *dev, const char *buf,
return -EINVAL;
/* e.g., 0x14D or 0x11D */
sscanf(buf, "%lx", &val);
err = kstrtoul(buf, 16, &val);
if (err)
return err;
if (val & ~0x1FF)
return -EINVAL;