[PATCH AUTOSEL 6.13 28/32] cifs: Throw -EOPNOTSUPP error on unsupported reparse point type from parse_reparse_point()

Sasha Levin
2025-02-24T11:17:53Z

From: Pali Rohár <pali@kernel.org>

[ 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>
---
fs/smb/client/reparse.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/fs/smb/client/reparse.c b/fs/smb/client/reparse.c
index b387dfbaf16b0..a93127c94aff9 100644
--- a/fs/smb/client/reparse.c
+++ b/fs/smb/client/reparse.c
@@ -724,13 +724,12 @@ 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,
--
2.39.5