diff options
| author |   Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2023-03-22 16:39:55 +0200 |
|---|---|---|
| committer |   Chanwoo Choi <cw00.choi@samsung.com> | 2023-05-29 23:41:28 +0900 |
| commit | 6ee0a22e8694074877550bf4284cc4085f86dd4f (patch) | |
| tree | 37533adeb00e66069e953c363a89148664ead0f3 /drivers/extcon | |
| parent | extcon: Use DECLARE_BITMAP() to declare bit arrays (diff) | |
| download | wireguard-linux-6ee0a22e8694074877550bf4284cc4085f86dd4f.tar.xz wireguard-linux-6ee0a22e8694074877550bf4284cc4085f86dd4f.zip | |
extcon: Use sysfs_emit() to instead of sprintf()
Follow the advice of the Documentation/filesystems/sysfs.rst that
show() should only use sysfs_emit() or sysfs_emit_at() when formatting
the value to be returned to user space.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Diffstat (limited to 'drivers/extcon')
| -rw-r--r-- | drivers/extcon/extcon.c | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/drivers/extcon/extcon.c b/drivers/extcon/extcon.c index 70e9755ba2bc..ac84f4aafc69 100644 --- a/drivers/extcon/extcon.c +++ b/drivers/extcon/extcon.c @@ -370,12 +370,12 @@ static ssize_t state_show(struct device *dev, struct device_attribute *attr, struct extcon_dev *edev = dev_get_drvdata(dev); if (edev->max_supported == 0) - return sprintf(buf, "%u\n", edev->state); + return sysfs_emit(buf, "%u\n", edev->state); for (i = 0; i < edev->max_supported; i++) { - count += sprintf(buf + count, "%s=%d\n", - extcon_info[edev->supported_cable[i]].name, - !!(edev->state & BIT(i))); + count += sysfs_emit_at(buf, count, "%s=%d\n", + extcon_info[edev->supported_cable[i]].name, + !!(edev->state & BIT(i))); } return count; @@ -387,7 +387,7 @@ static ssize_t name_show(struct device *dev, struct device_attribute *attr, { struct extcon_dev *edev = dev_get_drvdata(dev); - return sprintf(buf, "%s\n", edev->name); + return sysfs_emit(buf, "%s\n", edev->name); } static DEVICE_ATTR_RO(name); @@ -398,8 +398,8 @@ static ssize_t cable_name_show(struct device *dev, attr_name); int i = cable->cable_index; - return sprintf(buf, "%s\n", - extcon_info[cable->edev->supported_cable[i]].name); + return sysfs_emit(buf, "%s\n", + extcon_info[cable->edev->supported_cable[i]].name); } static ssize_t cable_state_show(struct device *dev, @@ -410,8 +410,8 @@ static ssize_t cable_state_show(struct device *dev, int i = cable->cable_index; - return sprintf(buf, "%d\n", - extcon_get_state(cable->edev, cable->edev->supported_cable[i])); + return sysfs_emit(buf, "%d\n", + extcon_get_state(cable->edev, cable->edev->supported_cable[i])); } /** |