From 1543e317f1da31b75942316931e8f491a8920811 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Thu, 04 Jan 2024 10:08:02 +0000
Subject: [PATCH] disable FB
---
kernel/drivers/isdn/hardware/mISDN/hfcmulti.c | 43 ++++++++++++++++++-------------------------
1 files changed, 18 insertions(+), 25 deletions(-)
diff --git a/kernel/drivers/isdn/hardware/mISDN/hfcmulti.c b/kernel/drivers/isdn/hardware/mISDN/hfcmulti.c
index 0928fd1..4c5b677 100644
--- a/kernel/drivers/isdn/hardware/mISDN/hfcmulti.c
+++ b/kernel/drivers/isdn/hardware/mISDN/hfcmulti.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* hfcmulti.c low level driver for hfc-4s/hfc-8s/hfc-e1 based cards
*
@@ -9,21 +10,6 @@
* Copyright 1999 by Werner Cornelius (werner@isdn-development.de)
* Copyright 2008 by Karsten Keil (kkeil@suse.de)
* Copyright 2008 by Andreas Eversberg (jolly@eversberg.eu)
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2, or (at your option)
- * any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- *
*
* Thanks to Cologne Chip AG for this great controller!
*/
@@ -2262,8 +2248,8 @@
if (bch) {
maxlen = bchannel_get_rxbuf(bch, Zsize);
if (maxlen < 0) {
- pr_warning("card%d.B%d: No bufferspace for %d bytes\n",
- hc->id + 1, bch->nr, Zsize);
+ pr_warn("card%d.B%d: No bufferspace for %d bytes\n",
+ hc->id + 1, bch->nr, Zsize);
return;
}
sp = &bch->rx_skb;
@@ -2274,8 +2260,8 @@
if (*sp == NULL) {
*sp = mI_alloc_skb(maxlen, GFP_ATOMIC);
if (*sp == NULL) {
- pr_warning("card%d: No mem for dch rx_skb\n",
- hc->id + 1);
+ pr_warn("card%d: No mem for dch rx_skb\n",
+ hc->id + 1);
return;
}
}
@@ -3233,6 +3219,7 @@
hfcm_l1callback(struct dchannel *dch, u_int cmd)
{
struct hfc_multi *hc = dch->hw;
+ struct sk_buff_head free_queue;
u_long flags;
switch (cmd) {
@@ -3261,6 +3248,7 @@
l1_event(dch->l1, HW_POWERUP_IND);
break;
case HW_DEACT_REQ:
+ __skb_queue_head_init(&free_queue);
/* start deactivation */
spin_lock_irqsave(&hc->lock, flags);
if (hc->ctype == HFC_TYPE_E1) {
@@ -3280,20 +3268,21 @@
plxsd_checksync(hc, 0);
}
}
- skb_queue_purge(&dch->squeue);
+ skb_queue_splice_init(&dch->squeue, &free_queue);
if (dch->tx_skb) {
- dev_kfree_skb(dch->tx_skb);
+ __skb_queue_tail(&free_queue, dch->tx_skb);
dch->tx_skb = NULL;
}
dch->tx_idx = 0;
if (dch->rx_skb) {
- dev_kfree_skb(dch->rx_skb);
+ __skb_queue_tail(&free_queue, dch->rx_skb);
dch->rx_skb = NULL;
}
test_and_clear_bit(FLG_TX_BUSY, &dch->Flags);
if (test_and_clear_bit(FLG_BUSY_TIMER, &dch->Flags))
del_timer(&dch->timer);
spin_unlock_irqrestore(&hc->lock, flags);
+ __skb_queue_purge(&free_queue);
break;
case HW_POWERUP_REQ:
spin_lock_irqsave(&hc->lock, flags);
@@ -3400,6 +3389,9 @@
case PH_DEACTIVATE_REQ:
test_and_clear_bit(FLG_L2_ACTIVATED, &dch->Flags);
if (dch->dev.D.protocol != ISDN_P_TE_S0) {
+ struct sk_buff_head free_queue;
+
+ __skb_queue_head_init(&free_queue);
spin_lock_irqsave(&hc->lock, flags);
if (debug & DEBUG_HFCMULTI_MSG)
printk(KERN_DEBUG
@@ -3421,14 +3413,14 @@
/* deactivate */
dch->state = 1;
}
- skb_queue_purge(&dch->squeue);
+ skb_queue_splice_init(&dch->squeue, &free_queue);
if (dch->tx_skb) {
- dev_kfree_skb(dch->tx_skb);
+ __skb_queue_tail(&free_queue, dch->tx_skb);
dch->tx_skb = NULL;
}
dch->tx_idx = 0;
if (dch->rx_skb) {
- dev_kfree_skb(dch->rx_skb);
+ __skb_queue_tail(&free_queue, dch->rx_skb);
dch->rx_skb = NULL;
}
test_and_clear_bit(FLG_TX_BUSY, &dch->Flags);
@@ -3440,6 +3432,7 @@
#endif
ret = 0;
spin_unlock_irqrestore(&hc->lock, flags);
+ __skb_queue_purge(&free_queue);
} else
ret = l1_event(dch->l1, hh->prim);
break;
--
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