Messages in this thread Patch in this message | | | From | Vivien Didelot <> | Subject | [PATCH v2] net: dsa: use DEVICE_ATTR_RW to declare temp1_max | Date | Fri, 17 Apr 2015 15:12:25 -0400 |
| |
Since commit da4759c (sysfs: Use only return value from is_visible for the file mode), it is possible to reduce the permissions of a file.
So declare temp1_max with the DEVICE_ATTR_RW macro and remove the write permission in dsa_hwmon_attrs_visible if set_temp_limit isn't provided.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> --- net/dsa/dsa.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/net/dsa/dsa.c b/net/dsa/dsa.c index 5eaadab..079a224 100644 --- a/net/dsa/dsa.c +++ b/net/dsa/dsa.c @@ -124,7 +124,7 @@ static ssize_t temp1_max_store(struct device *dev, return count; } -static DEVICE_ATTR(temp1_max, S_IRUGO, temp1_max_show, temp1_max_store); +static DEVICE_ATTR_RW(temp1_max); static ssize_t temp1_max_alarm_show(struct device *dev, struct device_attribute *attr, char *buf) @@ -159,8 +159,8 @@ static umode_t dsa_hwmon_attrs_visible(struct kobject *kobj, if (index == 1) { if (!drv->get_temp_limit) mode = 0; - else if (drv->set_temp_limit) - mode |= S_IWUSR; + else if (!drv->set_temp_limit) + mode &= ~S_IWUSR; } else if (index == 2 && !drv->get_temp_alarm) { mode = 0; } -- 2.3.5
| |