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smb: client: fix noisy when tree connecting to DFS interlink targets

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[ Upstream commit 773dc23ff8 ]

When the client attempts to tree connect to a domain-based DFS
namespace from a DFS interlink target, the server will return
STATUS_BAD_NETWORK_NAME and the following will appear on dmesg:

	CIFS: VFS:  BAD_NETWORK_NAME: \\dom\dfs

Since a DFS share might contain several DFS interlinks and they expire
after 10 minutes, the above message might end up being flooded on
dmesg when mounting or accessing them.

Print this only once per share.

Signed-off-by: Paulo Alcantara (Red Hat) <pc@manguebit.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Paulo Alcantara 2025-02-05 13:22:11 -03:00 committed by Greg Kroah-Hartman
parent 61699cb253
commit ef35c36fb4
1 changed files with 1 additions and 1 deletions
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2
fs/smb/client/smb2pdu.c
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@ -2175,7 +2175,7 @@ tcon_exit:
tcon_error_exit:
if (rsp && rsp->hdr.Status == STATUS_BAD_NETWORK_NAME)
cifs_tcon_dbg(VFS, "BAD_NETWORK_NAME: %s\n", tree);
cifs_dbg(VFS | ONCE, "BAD_NETWORK_NAME: %s\n", tree);
goto tcon_exit;
}