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path: root/drivers/isdn/mISDN/hwchannel.c
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Diffstat (limited to 'drivers/isdn/mISDN/hwchannel.c')
-rw-r--r--drivers/isdn/mISDN/hwchannel.c15
1 files changed, 13 insertions, 2 deletions
diff --git a/drivers/isdn/mISDN/hwchannel.c b/drivers/isdn/mISDN/hwchannel.c
index 0481a0cdf6db..e8049be552aa 100644
--- a/drivers/isdn/mISDN/hwchannel.c
+++ b/drivers/isdn/mISDN/hwchannel.c
@@ -114,13 +114,14 @@ mISDN_freedchannel(struct dchannel *ch)
}
EXPORT_SYMBOL(mISDN_freedchannel);
-int
-mISDN_freebchannel(struct bchannel *ch)
+void
+mISDN_clear_bchannel(struct bchannel *ch)
{
if (ch->tx_skb) {
dev_kfree_skb(ch->tx_skb);
ch->tx_skb = NULL;
}
+ ch->tx_idx = 0;
if (ch->rx_skb) {
dev_kfree_skb(ch->rx_skb);
ch->rx_skb = NULL;
@@ -129,6 +130,16 @@ mISDN_freebchannel(struct bchannel *ch)
dev_kfree_skb(ch->next_skb);
ch->next_skb = NULL;
}
+ test_and_clear_bit(FLG_TX_BUSY, &ch->Flags);
+ test_and_clear_bit(FLG_TX_NEXT, &ch->Flags);
+ test_and_clear_bit(FLG_ACTIVE, &ch->Flags);
+}
+EXPORT_SYMBOL(mISDN_clear_bchannel);
+
+int
+mISDN_freebchannel(struct bchannel *ch)
+{
+ mISDN_clear_bchannel(ch);
skb_queue_purge(&ch->rqueue);
ch->rcount = 0;
flush_scheduled_work();