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authorThomas Gleixner <tglx@linutronix.de>2011-03-24 22:53:10 +0100
committerThomas Gleixner <tglx@linutronix.de>2011-03-24 23:17:56 +0100
commit00a30b254b88d2d4f5af00835a9b7f70326def9b (patch)
tree95c27923d03b1d5757300602a86472cf9411712c
parentcbb84c4cc1ad0ab8faaffd899ccc9b14a88c91be (diff)
x86: DT: Fix return condition in irq_create_of_mapping()
The xlate() function returns 0 or a negative error code. Returning the error code blindly will be seen as an huge irq number by the calling function because irq_create_of_mapping() returns an unsigned value. Return 0 (NO_IRQ) as required. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
-rw-r--r--arch/x86/kernel/devicetree.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/kernel/devicetree.c b/arch/x86/kernel/devicetree.c
index 7a8cebc9ff2..9c91badb6ca 100644
--- a/arch/x86/kernel/devicetree.c
+++ b/arch/x86/kernel/devicetree.c
@@ -65,7 +65,7 @@ unsigned int irq_create_of_mapping(struct device_node *controller,
return 0;
ret = ih->xlate(ih, intspec, intsize, &virq, &type);
if (ret)
- return ret;
+ return 0;
if (type == IRQ_TYPE_NONE)
return virq;
/* set the mask if it is different from current */