diff options
| -rw-r--r-- | arch/avr32/kernel/cpu.c | 48 |
1 files changed, 26 insertions, 22 deletions
diff --git a/arch/avr32/kernel/cpu.c b/arch/avr32/kernel/cpu.c index 2233be71e2e8..0341ae27c9ec 100644 --- a/arch/avr32/kernel/cpu.c +++ b/arch/avr32/kernel/cpu.c @@ -39,10 +39,12 @@ static ssize_t store_pc0event(struct device *dev, size_t count) { unsigned long val; - char *endp; + int ret; - val = simple_strtoul(buf, &endp, 0); - if (endp == buf || val > 0x3f) + ret = kstrtoul(buf, 0, &val); + if (ret) + return ret; + if (val > 0x3f) return -EINVAL; val = (val << 12) | (sysreg_read(PCCR) & 0xfffc0fff); sysreg_write(PCCR, val); @@ -61,11 +63,11 @@ static ssize_t store_pc0count(struct device *dev, const char *buf, size_t count) { unsigned long val; - char *endp; + int ret; - val = simple_strtoul(buf, &endp, 0); - if (endp == buf) - return -EINVAL; + ret = kstrtoul(buf, 0, &val); + if (ret) + return ret; sysreg_write(PCNT0, val); return count; @@ -84,10 +86,12 @@ static ssize_t store_pc1event(struct device *dev, size_t count) { unsigned long val; - char *endp; + int ret; - val = simple_strtoul(buf, &endp, 0); - if (endp == buf || val > 0x3f) + ret = kstrtoul(buf, 0, &val); + if (ret) + return ret; + if (val > 0x3f) return -EINVAL; val = (val << 18) | (sysreg_read(PCCR) & 0xff03ffff); sysreg_write(PCCR, val); @@ -106,11 +110,11 @@ static ssize_t store_pc1count(struct device *dev, size_t count) { unsigned long val; - char *endp; + int ret; - val = simple_strtoul(buf, &endp, 0); - if (endp == buf) - return -EINVAL; + ret = kstrtoul(buf, 0, &val); + if (ret) + return ret; sysreg_write(PCNT1, val); return count; @@ -129,11 +133,11 @@ static ssize_t store_pccycles(struct device *dev, size_t count) { unsigned long val; - char *endp; + int ret; - val = simple_strtoul(buf, &endp, 0); - if (endp == buf) - return -EINVAL; + ret = kstrtoul(buf, 0, &val); + if (ret) + return ret; sysreg_write(PCCNT, val); return count; @@ -152,11 +156,11 @@ static ssize_t store_pcenable(struct device *dev, size_t count) { unsigned long pccr, val; - char *endp; + int ret; - val = simple_strtoul(buf, &endp, 0); - if (endp == buf) - return -EINVAL; + ret = kstrtoul(buf, 0, &val); + if (ret) + return ret; if (val) val = 1; |