diff --git a/fs/sysfs/file.c b/fs/sysfs/file.c
index 5d818df..c379597 100644
--- a/fs/sysfs/file.c
+++ b/fs/sysfs/file.c
@@ -275,11 +275,10 @@
 {
 	struct sysfs_open_file *of = sysfs_of(file);
 	ssize_t len = min_t(size_t, count, PAGE_SIZE);
+	loff_t size = file_inode(file)->i_size;
 	char *buf;
 
-	if (sysfs_is_bin(of->sd)) {
-		loff_t size = file_inode(file)->i_size;
-
+	if (sysfs_is_bin(of->sd) && size) {
 		if (size <= *ppos)
 			return 0;
 		len = min_t(ssize_t, len, size - *ppos);