From: Pali Rohár <pali@kernel.org>
Date: Tue, 17 Sep 2024 22:16:05 +0000 (+0200)
Subject: cifs: Throw -EOPNOTSUPP error on unsupported reparse point type from parse_reparse_po... 
X-Git-Tag: v6.12.20~87
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=fef9d44b24be9b6e3350b1ac47ff266bd9808246;p=thirdparty%2Fkernel%2Fstable.git

cifs: Throw -EOPNOTSUPP error on unsupported reparse point type from parse_reparse_point()

[ Upstream commit cad3fc0a4c8cef07b07ceddc137f582267577250 ]

This would help to track and detect by caller if the reparse point type was
processed or not.

Signed-off-by: Pali Rohár <pali@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---

diff --git a/fs/smb/client/reparse.c b/fs/smb/client/reparse.c
index bd8808e50d127..bb246ef0458fb 100644
--- a/fs/smb/client/reparse.c
+++ b/fs/smb/client/reparse.c
@@ -656,13 +656,12 @@ int parse_reparse_point(struct reparse_data_buffer *buf,
 				 le32_to_cpu(buf->ReparseTag));
 			return -EIO;
 		}
-		break;
+		return 0;
 	default:
 		cifs_tcon_dbg(VFS | ONCE, "unhandled reparse tag: 0x%08x\n",
 			      le32_to_cpu(buf->ReparseTag));
-		break;
+		return -EOPNOTSUPP;
 	}
-	return 0;
 }
 
 int smb2_parse_reparse_point(struct cifs_sb_info *cifs_sb,