On Wed, Dec 08, 2021 at 12:07:53AM -0800, Yihao Han wrote: > coccinelle report: > ./drivers/bus/mhi/core/init.c:97:8-16: > WARNING: use scnprintf or sprintf > Use sysfs_emit instead of scnprintf or sprintf makes more sense. > > Signed-off-by: Yihao Han <hanyihao@xxxxxxxx> > --- > drivers/bus/mhi/core/init.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/bus/mhi/core/init.c b/drivers/bus/mhi/core/init.c > index 5aaca6d0f52b..a5a5c722731e 100644 > --- a/drivers/bus/mhi/core/init.c > +++ b/drivers/bus/mhi/core/init.c > @@ -94,7 +94,7 @@ static ssize_t serial_number_show(struct device *dev, > struct mhi_device *mhi_dev = to_mhi_device(dev); > struct mhi_controller *mhi_cntrl = mhi_dev->mhi_cntrl; > > - return snprintf(buf, PAGE_SIZE, "Serial Number: %u\n", > + return sysfs_emit(buf, "Serial Number: %u\n", > mhi_cntrl->serial_number); > } > static DEVICE_ATTR_RO(serial_number); > -- > 2.17.1 > Why are you only changing one function in this file? If you realyl want to make a change like this, fix ALL sysfs show functions. thanks, greg k-h