powerpc/ibmebus: Get rid of the IRQ mapping in ibmebus_free_irq()
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>
diff --git a/arch/powerpc/kernel/ibmebus.c b/arch/powerpc/kernel/ibmebus.c
index 64299d2..7c65377 100644
--- a/arch/powerpc/kernel/ibmebus.c
+++ b/arch/powerpc/kernel/ibmebus.c
@@ -231,6 +231,7 @@
unsigned int irq = irq_find_mapping(NULL, ist);
free_irq(irq, dev_id);
+ irq_dispose_mapping(irq);
}
EXPORT_SYMBOL(ibmebus_free_irq);