mirror of https://gitee.com/openkylin/linux.git
isdn/gigaset: bas_gigaset locking fix
Unlock cs->lock before calling error_hangup() which is marked "cs->lock must not be held". Signed-off-by: Tilman Schmidt <tilman@imap.cc> CC: stable <stable@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -1598,13 +1598,13 @@ static int gigaset_init_bchannel(struct bc_state *bcs)
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ret = starturbs(bcs);
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if (ret < 0) {
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spin_unlock_irqrestore(&cs->lock, flags);
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dev_err(cs->dev,
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"could not start isochronous I/O for channel B%d: %s\n",
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bcs->channel + 1,
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ret == -EFAULT ? "null URB" : get_usb_rcmsg(ret));
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if (ret != -ENODEV)
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error_hangup(bcs);
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spin_unlock_irqrestore(&cs->lock, flags);
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return ret;
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}
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@ -1614,11 +1614,11 @@ static int gigaset_init_bchannel(struct bc_state *bcs)
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dev_err(cs->dev, "could not open channel B%d\n",
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bcs->channel + 1);
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stopurbs(bcs->hw.bas);
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if (ret != -ENODEV)
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error_hangup(bcs);
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}
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spin_unlock_irqrestore(&cs->lock, flags);
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if (ret < 0 && ret != -ENODEV)
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error_hangup(bcs);
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return ret;
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}
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