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powerpc/ibmebus: Get rid of the IRQ mapping in ibmebus_free_irq()

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ibmebus_free_irq() frees the IRQ but does not remove its mapping, which
results in stale entries in the map.

This fixes it by adding a call to irq_dispose_mapping() in
ibmebus_free_irq().

Signed-off-by: Sebastien Dugue <sebastien.dugue@bull.net>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Sebastien Dugue 2008-11-27 01:19:18 +00:00 committed by Paul Mackerras
parent 786b32f892
commit 6358d6cb32
1 changed files with 1 additions and 0 deletions
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arch/powerpc/kernel/ibmebus.c
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@ -231,6 +231,7 @@ void ibmebus_free_irq(u32 ist, void *dev_id)
unsigned int irq = irq_find_mapping(NULL, ist);
free_irq(irq, dev_id);
irq_dispose_mapping(irq);
}
EXPORT_SYMBOL(ibmebus_free_irq);