Sorry Bruno, i forgot to address your comments for V1, I will re-send a new version later. Please ignore this one. Thanks Zhijian On 14/03/2024 16:47, Li Zhijian wrote: > Per filesystems/sysfs.rst, show() should only use sysfs_emit() > or sysfs_emit_at() when formatting the value to be returned to user space. > > coccinelle complains that there are still a couple of functions that use > snprintf(). Convert them to sysfs_emit(). > > sprintf() will be converted as weel if they have. > > Generally, this patch is generated by > make coccicheck M=<path/to/file> MODE=patch \ > COCCI=scripts/coccinelle/api/device_attr_show.cocci > > No functional change intended > > CC: "Bruno Prémont" <bonbons@xxxxxxxxxxxxxxxxx> > CC: Jiri Kosina <jikos@xxxxxxxxxx> > CC: Benjamin Tissoires <benjamin.tissoires@xxxxxxxxxx> > CC: linux-input@xxxxxxxxxxxxxxx > Signed-off-by: Li Zhijian <lizhijian@xxxxxxxxxxx> > --- > This is a part of the work "Fix coccicheck device_attr_show warnings"[1] > Split them per subsystem so that the maintainer can review it easily > [1] https://lore.kernel.org/lkml/20240116041129.3937800-1-lizhijian@xxxxxxxxxxx/ > --- > drivers/hid/hid-picolcd_core.c | 6 +++--- > 1 file changed, 3 insertions(+), 3 deletions(-) > > diff --git a/drivers/hid/hid-picolcd_core.c b/drivers/hid/hid-picolcd_core.c > index bbda231a7ce3..fa46fb6eab3f 100644 > --- a/drivers/hid/hid-picolcd_core.c > +++ b/drivers/hid/hid-picolcd_core.c > @@ -256,9 +256,9 @@ static ssize_t picolcd_operation_mode_show(struct device *dev, > struct picolcd_data *data = dev_get_drvdata(dev); > > if (data->status & PICOLCD_BOOTLOADER) > - return snprintf(buf, PAGE_SIZE, "[bootloader] lcd\n"); > + return sysfs_emit(buf, "[bootloader] lcd\n"); > else > - return snprintf(buf, PAGE_SIZE, "bootloader [lcd]\n"); > + return sysfs_emit(buf, "bootloader [lcd]\n"); > } > > static ssize_t picolcd_operation_mode_store(struct device *dev, > @@ -301,7 +301,7 @@ static ssize_t picolcd_operation_mode_delay_show(struct device *dev, > { > struct picolcd_data *data = dev_get_drvdata(dev); > > - return snprintf(buf, PAGE_SIZE, "%hu\n", data->opmode_delay); > + return sysfs_emit(buf, "%hu\n", data->opmode_delay); > } > > static ssize_t picolcd_operation_mode_delay_store(struct device *dev,
