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cifs: empty interface list when server doesn't support query interfaces

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commit 896cd316b841053f6df95ab77b5f1322c16a8e18 upstream.

When querying server interfaces returns -EOPNOTSUPP,
clear the list of interfaces. Assumption is that multichannel
would be disabled too.

Signed-off-by: Shyam Prasad N <sprasad@microsoft.com>
Reviewed-by: Paulo Alcantara (SUSE) <pc@manguebit.com>
Cc: stable@vger.kernel.org
Signed-off-by: Steve French <stfrench@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Shyam Prasad N 2023-03-09 13:23:29 +00:00 committed by Greg Kroah-Hartman
parent 299a309b98
commit 223274d5c3
1 changed files with 1 additions and 1 deletions
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2
fs/cifs/smb2ops.c
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@ -587,7 +587,7 @@ SMB3_request_interfaces(const unsigned int xid, struct cifs_tcon *tcon)
if (rc == -EOPNOTSUPP) {
cifs_dbg(FYI,
"server does not support query network interfaces\n");
goto out;
ret_data_len = 0;
} else if (rc != 0) {
cifs_tcon_dbg(VFS, "error %d on ioctl to get interface list\n", rc);
goto out;