Follow the advice in Documentation/filesystems/sysfs.rst: show() should only use sysfs_emit() or sysfs_emit_at() when formatting the value to be returned to user space. Signed-off-by: chen zhang --- fs/fuse/cuse.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/fuse/cuse.c b/fs/fuse/cuse.c index 28c96961e85d..0c8e7259f489 100644 --- a/fs/fuse/cuse.c +++ b/fs/fuse/cuse.c @@ -581,7 +581,7 @@ static ssize_t cuse_class_waiting_show(struct device *dev, { struct cuse_conn *cc = dev_get_drvdata(dev); - return sprintf(buf, "%d\n", atomic_read(&cc->fc.num_waiting)); + return sysfs_emit(buf, "%d\n", atomic_read(&cc->fc.num_waiting)); } static DEVICE_ATTR(waiting, 0400, cuse_class_waiting_show, NULL); -- 2.25.1