uacce: use sysfs_emit instead of sprintf

Use the sysfs_emit to replace sprintf. sprintf may cause
output defect in sysfs content, it is better to use new
added sysfs_emit function which knows the size of the
temporary buffer.

Signed-off-by: Kai Ye <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

drivers/misc/uacce/uacce.c

···
 {
 	struct uacce_device *uacce = to_uacce_device(dev);
 
-	return sprintf(buf, "%s\n", uacce->api_ver);
+	return sysfs_emit(buf, "%s\n", uacce->api_ver);
 }
 
 static ssize_t flags_show(struct device *dev,
···
 {
 	struct uacce_device *uacce = to_uacce_device(dev);
 
-	return sprintf(buf, "%u\n", uacce->flags);
+	return sysfs_emit(buf, "%u\n", uacce->flags);
 }
 
 static ssize_t available_instances_show(struct device *dev,
···
 	if (!uacce->ops->get_available_instances)
 		return -ENODEV;
 
-	return sprintf(buf, "%d\n",
+	return sysfs_emit(buf, "%d\n",
 		       uacce->ops->get_available_instances(uacce));
 }
 
···
 {
 	struct uacce_device *uacce = to_uacce_device(dev);
 
-	return sprintf(buf, "%s\n", uacce->algs);
+	return sysfs_emit(buf, "%s\n", uacce->algs);
 }
 
 static ssize_t region_mmio_size_show(struct device *dev,
···
 {
 	struct uacce_device *uacce = to_uacce_device(dev);
 
-	return sprintf(buf, "%lu\n",
+	return sysfs_emit(buf, "%lu\n",
 		       uacce->qf_pg_num[UACCE_QFRT_MMIO] << PAGE_SHIFT);
 }
 
···
 {
 	struct uacce_device *uacce = to_uacce_device(dev);
 
-	return sprintf(buf, "%lu\n",
+	return sysfs_emit(buf, "%lu\n",
 		       uacce->qf_pg_num[UACCE_QFRT_DUS] << PAGE_SHIFT);
 }