exfat: Set the unused characters of FileName field to the value 0000h

Some fsck tool complain that padding part of the FileName field
is not set to the value 0000h. So let's maintain filesystem cleaner,
as exfat's spec. recommendation.

Signed-off-by: Hyeongseok.Kim <[email protected]>
Reviewed-by: Sungjong Seo <[email protected]>
Signed-off-by: Namjae Jeon <[email protected]>

Author: hyeongseok-kim901

fs/exfat/dir.c

@@ -425,10 +425,12 @@ static void exfat_init_name_entry(struct exfat_dentry *ep,
 	ep->dentry.name.flags = 0x0;
 
 	for (i = 0; i < EXFAT_FILE_NAME_LEN; i++) {
-		ep->dentry.name.unicode_0_14[i] = cpu_to_le16(*uniname);
-		if (*uniname == 0x0)
-			break;
-		uniname++;
+		if (*uniname != 0x0) {
+			ep->dentry.name.unicode_0_14[i] = cpu_to_le16(*uniname);
+			uniname++;
+		} else {
+			ep->dentry.name.unicode_0_14[i] = 0x0;
+		}
 	}
 }