diff options
| author | Salah Triki <salah.triki@gmail.com> | 2021-07-10 18:54:32 +0200 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2021-07-28 09:10:51 +0200 |
| commit | 48ae638be56b43cde9ddca20fc5678401886f5db (patch) | |
| tree | be064114e57e6abbb6519066fc0f78e960bf5eb2 /drivers/dma/ppc4xx | |
| parent | dmaengine: stm32-dma: add alternate REQ/ACK protocol management (diff) | |
| download | linux-48ae638be56b43cde9ddca20fc5678401886f5db.tar.xz linux-48ae638be56b43cde9ddca20fc5678401886f5db.zip | |
ppc4xx: replace sscanf() by kstrtoul()
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>
Diffstat (limited to 'drivers/dma/ppc4xx')
| -rw-r--r-- | drivers/dma/ppc4xx/adma.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/drivers/dma/ppc4xx/adma.c b/drivers/dma/ppc4xx/adma.c index df7704053d91..e2b5129c5f84 100644 --- a/drivers/dma/ppc4xx/adma.c +++ b/drivers/dma/ppc4xx/adma.c @@ -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; |