| Message ID | 20230120154437.22025-1-andriy.shevchenko@linux.intel.com |
|---|---|
| State | New |
| Headers | show |
| Series | [v1,1/5] usb: fotg210-hcd: use sysfs_emit() to instead of scnprintf() | expand |
On Fri, Jan 20, 2023 at 4:44 PM Andy Shevchenko <andriy.shevchenko@linux.intel.com> wrote: > Follow the advice of the Documentation/filesystems/sysfs.rst and 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> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Yours, Linus Walleij
diff --git a/drivers/usb/fotg210/fotg210-hcd.c b/drivers/usb/fotg210/fotg210-hcd.c index 7bd1e8f3080d..46752a75c428 100644 --- a/drivers/usb/fotg210/fotg210-hcd.c +++ b/drivers/usb/fotg210/fotg210-hcd.c @@ -4686,14 +4686,11 @@ static ssize_t uframe_periodic_max_show(struct device *dev, struct device_attribute *attr, char *buf) { struct fotg210_hcd *fotg210; - int n; fotg210 = hcd_to_fotg210(bus_to_hcd(dev_get_drvdata(dev))); - n = scnprintf(buf, PAGE_SIZE, "%d\n", fotg210->uframe_periodic_max); - return n; + return sysfs_emit(buf, "%d\n", fotg210->uframe_periodic_max); } - static ssize_t uframe_periodic_max_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) {
Follow the advice of the Documentation/filesystems/sysfs.rst and 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> --- drivers/usb/fotg210/fotg210-hcd.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-)