firewire: ohci: release channel in error path
firewire-ohci keeps book of which isochronous channels are occupied by IR DMA contexts, so that there cannot be more than one context listening to a certain channel. If IR context creation failed due to an out-of-memory condition, this bookkeeping leaked a channel. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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@ -2309,6 +2309,7 @@ static struct fw_iso_context *ohci_allocate_iso_context(struct fw_card *card,
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free_page((unsigned long)ctx->header);
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free_page((unsigned long)ctx->header);
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out:
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out:
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spin_lock_irqsave(&ohci->lock, flags);
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spin_lock_irqsave(&ohci->lock, flags);
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*channels |= 1ULL << channel;
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*mask |= 1 << index;
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*mask |= 1 << index;
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spin_unlock_irqrestore(&ohci->lock, flags);
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spin_unlock_irqrestore(&ohci->lock, flags);
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