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cifs: quirk for STATUS_OBJECT_NAME_INVALID returned for non-ASCII dfs refs
authorEugene Korenevsky <ekorenevsky@astralinux.ru>
Fri, 14 Jan 2022 19:53:40 +0000 (22:53 +0300)
committerSteve French <stfrench@microsoft.com>
Mon, 17 Jan 2022 19:28:25 +0000 (13:28 -0600)
commita2809d0e16963fdf3984409e47f145cccb0c6821
tree3b92a5ea5b9971e50de2e7afb0de73d04cdf5120
parent7eacba3b00a3c35c1ad189f543b1995dd0bdca9c
cifs: quirk for STATUS_OBJECT_NAME_INVALID returned for non-ASCII dfs refs

Windows SMB server responds with STATUS_OBJECT_NAME_INVALID code to
SMB2 QUERY_INFO request for "\<server>\<dfsname>\<linkpath>" DFS reference,
where <dfsname> contains non-ASCII unicode symbols.

Check such DFS reference and emulate -EREMOTE if it is actual.

BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=215440
Signed-off-by: Eugene Korenevsky <ekorenevsky@astralinux.ru>
Signed-off-by: Steve French <stfrench@microsoft.com>
fs/cifs/cifsproto.h
fs/cifs/connect.c
fs/cifs/inode.c
fs/cifs/misc.c