[IrDA]: irda lockdep annotation
Rmmoding irda triggers a lockdep false positive. Reported-by: Dave Jones <davej@redhat.com> Signed-off-by: Samuel Ortiz <samuel@sortiz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -384,6 +384,9 @@ EXPORT_SYMBOL(hashbin_new);
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* for deallocating this structure if it's complex. If not the user can
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* just supply kfree, which should take care of the job.
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*/
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#ifdef CONFIG_LOCKDEP
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static int hashbin_lock_depth = 0;
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#endif
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int hashbin_delete( hashbin_t* hashbin, FREE_FUNC free_func)
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{
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irda_queue_t* queue;
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@ -395,7 +398,8 @@ int hashbin_delete( hashbin_t* hashbin, FREE_FUNC free_func)
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/* Synchronize */
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if ( hashbin->hb_type & HB_LOCK ) {
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spin_lock_irqsave(&hashbin->hb_spinlock, flags);
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spin_lock_irqsave_nested(&hashbin->hb_spinlock, flags,
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hashbin_lock_depth++);
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}
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/*
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@ -419,6 +423,9 @@ int hashbin_delete( hashbin_t* hashbin, FREE_FUNC free_func)
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/* Release lock */
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if ( hashbin->hb_type & HB_LOCK) {
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spin_unlock_irqrestore(&hashbin->hb_spinlock, flags);
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#ifdef CONFIG_LOCKDEP
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hashbin_lock_depth--;
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#endif
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}
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/*
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