From: zhang songyi <zhang.songyi@xxxxxxxxxx> 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. Reported-by: Zeal Robot <zealci@xxxxxxxxxx> Signed-off-by: zhang songyi <zhang.songyi@xxxxxxxxxx> --- drivers/input/rmi4/rmi_f34.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/input/rmi4/rmi_f34.c b/drivers/input/rmi4/rmi_f34.c index e5dca9868f87..e6e7dde76c5b 100644 --- a/drivers/input/rmi4/rmi_f34.c +++ b/drivers/input/rmi4/rmi_f34.c @@ -321,11 +321,11 @@ static ssize_t rmi_driver_bootloader_id_show(struct device *dev, f34 = dev_get_drvdata(&fn->dev); if (f34->bl_version == 5) - return scnprintf(buf, PAGE_SIZE, "%c%c\n", + return sysfs_emit(buf, "%c%c\n", f34->bootloader_id[0], f34->bootloader_id[1]); else - return scnprintf(buf, PAGE_SIZE, "V%d.%d\n", + return sysfs_emit(buf, "V%d.%d\n", f34->bootloader_id[1], f34->bootloader_id[0]); } @@ -346,7 +346,7 @@ static ssize_t rmi_driver_configuration_id_show(struct device *dev, if (fn) { f34 = dev_get_drvdata(&fn->dev); - return scnprintf(buf, PAGE_SIZE, "%s\n", f34->configuration_id); + return sysfs_emit(buf, "%s\n", f34->configuration_id); } return 0; @@ -499,7 +499,7 @@ static ssize_t rmi_driver_update_fw_status_show(struct device *dev, if (data->f34_container) update_status = rmi_f34_status(data->f34_container); - return scnprintf(buf, PAGE_SIZE, "%d\n", update_status); + return sysfs_emit(buf, "%d\n", update_status); } static DEVICE_ATTR(update_fw_status, 0444, -- 2.25.1