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authorKarsten Keil <keil@b1-systems.de>2009-07-09 10:02:29 +0200
committerKarsten Keil <keil@b1-systems.de>2009-07-25 20:18:16 +0200
commitfb286f0471a04ef646c8e5c79750ae6718183745 (patch)
tree6e88ae4869ca1aedb5e674733a903324530d6ee1 /drivers/isdn/mISDN
parentf3fad223ed69f406f33c9619c256858d5a5fc5c7 (diff)
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mISDN: Make clearing B-channel a common function
Clearing B-channel is needed in every driver, so it makes sense to have it as common function. Signed-off-by: Karsten Keil <keil@b1-systems.de>
Diffstat (limited to 'drivers/isdn/mISDN')
-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 0481a0cdf6d..e8049be552a 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();