306 	struct cifs_tcon *tcon;  in cifs_reconnect()  local
336 			tcon = list_entry(tmp2, struct cifs_tcon, tcon_list);  in cifs_reconnect()
337 			tcon->need_reconnect = true;  in cifs_reconnect()
2539 static int match_tcon(struct cifs_tcon *tcon, const char *unc)  in match_tcon()  argument
2541 	if (tcon->tidStatus == CifsExiting)  in match_tcon()
2543 	if (strncmp(tcon->treeName, unc, MAX_TREE_SIZE))  in match_tcon()
2552 	struct cifs_tcon *tcon;  in cifs_find_tcon()  local
2556 		tcon = list_entry(tmp, struct cifs_tcon, tcon_list);  in cifs_find_tcon()
2557 		if (!match_tcon(tcon, unc))  in cifs_find_tcon()
2559 		++tcon->tc_count;  in cifs_find_tcon()
2561 		return tcon;  in cifs_find_tcon()
2568 cifs_put_tcon(struct cifs_tcon *tcon)  in cifs_put_tcon()  argument
2571 	struct cifs_ses *ses = tcon->ses;  in cifs_put_tcon()
2573 	cifs_dbg(FYI, "%s: tc_count=%d\n", __func__, tcon->tc_count);  in cifs_put_tcon()
2575 	if (--tcon->tc_count > 0) {  in cifs_put_tcon()
2580 	list_del_init(&tcon->tcon_list);  in cifs_put_tcon()
2585 		ses->server->ops->tree_disconnect(xid, tcon);  in cifs_put_tcon()
2588 	cifs_fscache_release_super_cookie(tcon);  in cifs_put_tcon()
2589 	tconInfoFree(tcon);  in cifs_put_tcon()
2597 	struct cifs_tcon *tcon;  in cifs_get_tcon()  local
2599 	tcon = cifs_find_tcon(ses, volume_info->UNC);  in cifs_get_tcon()
2600 	if (tcon) {  in cifs_get_tcon()
2604 		if (tcon->seal != volume_info->seal)  in cifs_get_tcon()
2606 		return tcon;  in cifs_get_tcon()
2614 	tcon = tconInfoAlloc();  in cifs_get_tcon()
2615 	if (tcon == NULL) {  in cifs_get_tcon()
2620 	tcon->ses = ses;  in cifs_get_tcon()
2622 		tcon->password = kstrdup(volume_info->password, GFP_KERNEL);  in cifs_get_tcon()
2623 		if (!tcon->password) {  in cifs_get_tcon()
2634 	rc = ses->server->ops->tree_connect(xid, ses, volume_info->UNC, tcon,  in cifs_get_tcon()
2642 		tcon->Flags &= ~SMB_SHARE_IS_IN_DFS;  in cifs_get_tcon()
2643 		cifs_dbg(FYI, "DFS disabled (%d)\n", tcon->Flags);  in cifs_get_tcon()
2645 	tcon->seal = volume_info->seal;  in cifs_get_tcon()
2651 	tcon->retry = volume_info->retry;  in cifs_get_tcon()
2652 	tcon->nocase = volume_info->nocase;  in cifs_get_tcon()
2653 	tcon->local_lease = volume_info->local_lease;  in cifs_get_tcon()
2654 	INIT_LIST_HEAD(&tcon->pending_opens);  in cifs_get_tcon()
2657 	list_add(&tcon->tcon_list, &ses->tcon_list);  in cifs_get_tcon()
2660 	cifs_fscache_get_super_cookie(tcon);  in cifs_get_tcon()
2662 	return tcon;  in cifs_get_tcon()
2665 	tconInfoFree(tcon);  in cifs_get_tcon()
2740 	struct cifs_tcon *tcon;  in cifs_match_super()  local
2751 	tcon = tlink_tcon(tlink);  in cifs_match_super()
2752 	ses = tcon->ses;  in cifs_match_super()
2759 	    !match_tcon(tcon, volume_info->UNC)) {  in cifs_match_super()
3074 void reset_cifs_unix_caps(unsigned int xid, struct cifs_tcon *tcon,  in reset_cifs_unix_caps()  argument
3086 	__u64 saved_cap = le64_to_cpu(tcon->fsUnixInfo.Capability);  in reset_cifs_unix_caps()
3089 		tcon->fsUnixInfo.Capability = 0;  in reset_cifs_unix_caps()
3090 		tcon->unix_ext = 0; /* Unix Extensions disabled */  in reset_cifs_unix_caps()
3094 		tcon->unix_ext = 1; /* Unix Extensions supported */  in reset_cifs_unix_caps()
3096 	if (tcon->unix_ext == 0) {  in reset_cifs_unix_caps()
3101 	if (!CIFSSMBQFSUnixInfo(xid, tcon)) {  in reset_cifs_unix_caps()
3102 		__u64 cap = le64_to_cpu(tcon->fsUnixInfo.Capability);  in reset_cifs_unix_caps()
3164 		if (CIFSSMBSetFSUnixInfo(xid, tcon, cap)) {  in reset_cifs_unix_caps()
3443 	struct cifs_tcon *tcon;  in cifs_mount()  local
3459 		if (tcon)  in cifs_mount()
3460 			cifs_put_tcon(tcon);  in cifs_mount()
3468 	tcon = NULL;  in cifs_mount()
3493 	tcon = cifs_get_tcon(ses, volume_info);  in cifs_mount()
3494 	if (IS_ERR(tcon)) {  in cifs_mount()
3495 		rc = PTR_ERR(tcon);  in cifs_mount()
3496 		tcon = NULL;  in cifs_mount()
3501 	if (cap_unix(tcon->ses)) {  in cifs_mount()
3504 		reset_cifs_unix_caps(xid, tcon, cifs_sb, volume_info);  in cifs_mount()
3505 		if ((tcon->ses->server->tcpStatus == CifsNeedReconnect) &&  in cifs_mount()
3506 		    (le64_to_cpu(tcon->fsUnixInfo.Capability) &  in cifs_mount()
3512 		tcon->unix_ext = 0; /* server does not support them */  in cifs_mount()
3515 	if (!tcon->ipc && server->ops->qfs_tcon)  in cifs_mount()
3516 		server->ops->qfs_tcon(xid, tcon);  in cifs_mount()
3518 	cifs_sb->wsize = server->ops->negotiate_wsize(tcon, volume_info);  in cifs_mount()
3519 	cifs_sb->rsize = server->ops->negotiate_rsize(tcon, volume_info);  in cifs_mount()
3544 	if (!rc && tcon) {  in cifs_mount()
3552 		full_path = cifs_build_path_to_root(volume_info, cifs_sb, tcon);  in cifs_mount()
3557 		rc = server->ops->is_path_accessible(xid, tcon, cifs_sb,  in cifs_mount()
3603 	tlink->tl_tcon = tcon;  in cifs_mount()
3621 		if (tcon)  in cifs_mount()
3622 			cifs_put_tcon(tcon);  in cifs_mount()
3641 	 const char *tree, struct cifs_tcon *tcon,  in CIFSTCon()  argument
3673 	if (!tcon || (ses->server->sec_mode & SECMODE_USER)) {  in CIFSTCon()
3689 			calc_lanman_hash(tcon->password, ses->server->cryptkey,  in CIFSTCon()
3695 		rc = SMBNTencrypt(tcon->password, ses->server->cryptkey,  in CIFSTCon()
3745 	if ((rc == 0) && (tcon != NULL)) {  in CIFSTCon()
3748 		tcon->tidStatus = CifsGood;  in CIFSTCon()
3749 		tcon->need_reconnect = false;  in CIFSTCon()
3750 		tcon->tid = smb_buffer_response->Tid;  in CIFSTCon()
3765 				tcon->ipc = 1;  in CIFSTCon()
3775 		strlcpy(tcon->treeName, tree, sizeof(tcon->treeName));  in CIFSTCon()
3778 		kfree(tcon->nativeFileSystem);  in CIFSTCon()
3779 		tcon->nativeFileSystem = cifs_strndup_from_utf16(bcc_ptr,  in CIFSTCon()
3783 		cifs_dbg(FYI, "nativeFileSystem=%s\n", tcon->nativeFileSystem);  in CIFSTCon()
3788 			tcon->Flags = le16_to_cpu(pSMBr->OptionalSupport);  in CIFSTCon()
3790 			tcon->Flags = 0;  in CIFSTCon()
3791 		cifs_dbg(FYI, "Tcon flags: 0x%x\n", tcon->Flags);  in CIFSTCon()
3792 	} else if ((rc == 0) && tcon == NULL) {  in CIFSTCon()
3904 	struct cifs_tcon *tcon = NULL;  in cifs_construct_tcon()  local
3924 		tcon = ERR_PTR(rc);  in cifs_construct_tcon()
3935 		tcon = (struct cifs_tcon *)ses;  in cifs_construct_tcon()
3940 	tcon = cifs_get_tcon(ses, vol_info);  in cifs_construct_tcon()
3941 	if (IS_ERR(tcon)) {  in cifs_construct_tcon()
3947 		reset_cifs_unix_caps(0, tcon, NULL, vol_info);  in cifs_construct_tcon()
3953 	return tcon;  in cifs_construct_tcon()