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Subject[PATCH 4.14 36/92] fix incorrect error code mapping for OBJECTID_NOT_FOUND
Date
[ Upstream commit 85f9987b236cf46e06ffdb5c225cf1f3c0acb789 ]

It was mapped to EIO which can be confusing when user space
queries for an object GUID for an object for which the server
file system doesn't support (or hasn't saved one).

As Amir Goldstein suggested this is similar to ENOATTR
(equivalently ENODATA in Linux errno definitions) so
changing NT STATUS code mapping for OBJECTID_NOT_FOUND
to ENODATA.

Signed-off-by: Steve French <stfrench@microsoft.com>
CC: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
fs/cifs/smb2maperror.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/fs/cifs/smb2maperror.c b/fs/cifs/smb2maperror.c
index d7e839cb773f..92c9cdf4704d 100644
--- a/fs/cifs/smb2maperror.c
+++ b/fs/cifs/smb2maperror.c
@@ -1035,7 +1035,8 @@ static const struct status_to_posix_error smb2_error_map_table[] = {
{STATUS_UNFINISHED_CONTEXT_DELETED, -EIO,
"STATUS_UNFINISHED_CONTEXT_DELETED"},
{STATUS_NO_TGT_REPLY, -EIO, "STATUS_NO_TGT_REPLY"},
- {STATUS_OBJECTID_NOT_FOUND, -EIO, "STATUS_OBJECTID_NOT_FOUND"},
+ /* Note that ENOATTTR and ENODATA are the same errno */
+ {STATUS_OBJECTID_NOT_FOUND, -ENODATA, "STATUS_OBJECTID_NOT_FOUND"},
{STATUS_NO_IP_ADDRESSES, -EIO, "STATUS_NO_IP_ADDRESSES"},
{STATUS_WRONG_CREDENTIAL_HANDLE, -EIO,
"STATUS_WRONG_CREDENTIAL_HANDLE"},
--
2.19.1


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