[PATCH 4/8] mISDN: Bugfix hfcsusb: usb endpoint activation/deactivation
From: Karsten Keil <hidden>
Date: 2012-05-16 04:32:10
Subsystem:
the rest · Maintainer:
Linus Torvalds
From: Martin Bachem <redacted> Here was a off by one in the activation/deactivation. The additional activation in open_bchannel() did hide it, but only if you do not try to use B2. Signed-off-by: Martin Bachem <redacted> Signed-off-by: Karsten Keil <redacted> --- drivers/isdn/hardware/mISDN/hfcsusb.c | 10 ++-------- 1 files changed, 2 insertions(+), 8 deletions(-)
diff --git a/drivers/isdn/hardware/mISDN/hfcsusb.c b/drivers/isdn/hardware/mISDN/hfcsusb.c
index a4c5b24..919eccc 100644
--- a/drivers/isdn/hardware/mISDN/hfcsusb.c
+++ b/drivers/isdn/hardware/mISDN/hfcsusb.c@@ -231,7 +231,7 @@ hfcusb_l2l1B(struct mISDNchannel *ch, struct sk_buff *skb) return ret; case PH_ACTIVATE_REQ: if (!test_and_set_bit(FLG_ACTIVE, &bch->Flags)) { - hfcsusb_start_endpoint(hw, bch->nr); + hfcsusb_start_endpoint(hw, bch->nr - 1); ret = hfcsusb_setup_bch(bch, ch->protocol); } else ret = 0;
@@ -495,12 +495,6 @@ open_bchannel(struct hfcsusb *hw, struct channel_req *rq) bch->ch.protocol = rq->protocol; rq->ch = &bch->ch; - /* start USB endpoint for bchannel */ - if (rq->adr.channel == 1) - hfcsusb_start_endpoint(hw, HFC_CHAN_B1); - else - hfcsusb_start_endpoint(hw, HFC_CHAN_B2); - if (!try_module_get(THIS_MODULE)) printk(KERN_WARNING "%s: %s:cannot get module\n", hw->name, __func__);
@@ -1801,7 +1795,7 @@ deactivate_bchannel(struct bchannel *bch) mISDN_clear_bchannel(bch); spin_unlock_irqrestore(&hw->lock, flags); hfcsusb_setup_bch(bch, ISDN_P_NONE); - hfcsusb_stop_endpoint(hw, bch->nr); + hfcsusb_stop_endpoint(hw, bch->nr - 1); } /*
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1.7.3.4