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switch: make LED port_mask file write handler use kstrtoul() function 

This patch changes swconfig_trig_port_mask_store() handler to utilize
kstrtoul() function instead of call to obsolete simple_strtoul(). Thanks
to this change, new handler takes less memory and makes port_mask special
file accept not only hexadecimal, but also decimal and octal numbers.

Signed-off-by: Michal Cieslakiewicz <michal.cieslakiewicz@wp.pl>

SVN-Revision: 48774
owl
Felix Fietkau 2016-02-25 13:31:23 +00:00
parent 3f76eeaadc
commit f61a80444c
1 changed files with 17 additions and 26 deletions
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21
target/linux/generic/files/drivers/net/phy/swconfig_leds.c
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@ -94,19 +94,13 @@ swconfig_trig_port_mask_store(struct device *dev, struct device_attribute *attr,
struct led_classdev *led_cdev = dev_get_drvdata(dev);
struct swconfig_trig_data *trig_data = led_cdev->trigger_data;
unsigned long port_mask;
ssize_t ret = -EINVAL;
char *after;
size_t count;
port_mask = simple_strtoul(buf, &after, 16);
count = after - buf;
if (*after && isspace(*after))
count++;
if (count == size) {
int ret;
bool changed;
ret = kstrtoul(buf, 0, &port_mask);
if (ret)
return ret;
write_lock(&trig_data->lock);
changed = (trig_data->port_mask != port_mask);
@ -121,10 +115,7 @@ swconfig_trig_port_mask_store(struct device *dev, struct device_attribute *attr,
if (changed)
swconfig_trig_update_port_mask(led_cdev->trigger);
ret = count;
}
return ret;
return size;
}
static ssize_t