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

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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>
This commit is contained in:
Paulo Alcantara 2025-02-05 13:22:11 -03:00 committed by Steve French
parent 77c2e45dbf
commit 773dc23ff8
1 changed files with 1 additions and 1 deletions
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2
fs/smb/client/smb2pdu.c
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@ -2169,7 +2169,7 @@ SMB2_tcon(const unsigned int xid, struct cifs_ses *ses, const char *tree,
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;
}