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platform_kernel-5.15
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Merge branch 'pm-qos' 

* pm-qos:
  PM / QoS: simplify pm_qos_power_write()
This commit is contained in:
Rafael J. Wysocki 2013-10-28 01:27:21 +01:00
parent 8d58199fe7 d4f7ecf728
commit 400fc45273
1 changed files with 4 additions and 22 deletions
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26
kernel/power/qos.c
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@ -558,30 +558,12 @@ static ssize_t pm_qos_power_write(struct file *filp, const char __user *buf,
if (count == sizeof(s32)) { if (count == sizeof(s32)) {
if (copy_from_user(&value, buf, sizeof(s32))) if (copy_from_user(&value, buf, sizeof(s32)))
return -EFAULT; return -EFAULT;
} else if (count <= 11) { /* ASCII perhaps? */ } else {
char ascii_value[11];
unsigned long int ulval;
int ret; int ret;
if (copy_from_user(ascii_value, buf, count)) ret = kstrtos32_from_user(buf, count, 16, &value);
return -EFAULT; if (ret)
return ret;
if (count > 10) {
if (ascii_value[10] == '\n')
ascii_value[10] = '\0';
else
return -EINVAL;
} else {
ascii_value[count] = '\0';
}
ret = kstrtoul(ascii_value, 16, &ulval);
if (ret) {
pr_debug("%s, 0x%lx, 0x%x\n", ascii_value, ulval, ret);
return -EINVAL;
}
value = (s32)lower_32_bits(ulval);
} else {
return -EINVAL;
} }
req = filp->private_data; req = filp->private_data;