[PATCH AUTOSEL 5.7 07/30] exfat: Set the unused characters of FileName field to the value 0000h

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From: "Hyeongseok.Kim" <Hyeongseok@xxxxxxxxx>

[ Upstream commit 4ba6ccd695f5ed3ae851e59b443b757bbe4557fe ]

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 <Hyeongseok@xxxxxxxxx>
Reviewed-by: Sungjong Seo <sj1557.seo@xxxxxxxxxxx>
Signed-off-by: Namjae Jeon <namjae.jeon@xxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 fs/exfat/dir.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/fs/exfat/dir.c b/fs/exfat/dir.c
index 4b91afb0f0515..349ca0c282c2c 100644
--- a/fs/exfat/dir.c
+++ b/fs/exfat/dir.c
@@ -430,10 +430,12 @@ 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;
+		}
 	}
 }
 
-- 
2.25.1




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