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Commit 859d615b authored by Germano Percossi's avatar Germano Percossi Committed by Greg Kroah-Hartman
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CIFS: remove bad_network_name flag 



commit a0918f1ce6a43ac980b42b300ec443c154970979 upstream.

STATUS_BAD_NETWORK_NAME can be received during node failover,
causing the flag to be set and making the reconnect thread
always unsuccessful, thereafter.

Once the only place where it is set is removed, the remaining
bits are rendered moot.

Removing it does not prevent "mount" from failing when a non
existent share is passed.

What happens when the share really ceases to exist while the
share is mounted is undefined now as much as it was before.

Signed-off-by: default avatarGermano Percossi <germano.percossi@citrix.com>
Reviewed-by: default avatarPavel Shilovsky <pshilov@microsoft.com>
Signed-off-by: default avatarSteve French <smfrench@gmail.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent f8fe51c8

fs/cifs/cifsglob.h

+0 −1
Original line number Diff line number Diff line
@@ -906,7 +906,6 @@ struct cifs_tcon { 
	bool use_persistent:1; /* use persistent instead of durable handles */

#ifdef CONFIG_CIFS_SMB2

	bool print:1;		/* set if connection to printer share */

	bool bad_network_name:1; /* set if ret status STATUS_BAD_NETWORK_NAME */

	__le32 capabilities;

	__u32 share_flags;

	__u32 maximal_access;

fs/cifs/smb2pdu.c

+0 −5
Original line number Diff line number Diff line
@@ -932,9 +932,6 @@ SMB2_tcon(const unsigned int xid, struct cifs_ses *ses, const char *tree, 
	else

		return -EIO;



	if (tcon && tcon->bad_network_name)

		return -ENOENT;



	if ((tcon && tcon->seal) &&

	    ((ses->server->capabilities & SMB2_GLOBAL_CAP_ENCRYPTION) == 0)) {

		cifs_dbg(VFS, "encryption requested but no server support");
@@ -1036,8 +1033,6 @@ tcon_exit: 
tcon_error_exit:

	if (rsp->hdr.Status == STATUS_BAD_NETWORK_NAME) {

		cifs_dbg(VFS, "BAD_NETWORK_NAME: %s\n", tree);

		if (tcon)

			tcon->bad_network_name = true;

	}

	goto tcon_exit;

}