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Subject[PATCH 4/9] xen/events: BUG() when we can't allocate our event->irq array.
Date
In case we can't allocate we are doomed. We should BUG_ON
instead of trying to dereference it later on.

Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
---
drivers/xen/events.c | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/drivers/xen/events.c b/drivers/xen/events.c
index 7523719..5db04bf 100644
--- a/drivers/xen/events.c
+++ b/drivers/xen/events.c
@@ -1670,6 +1670,8 @@ void __init xen_init_IRQ(void)

evtchn_to_irq = kcalloc(NR_EVENT_CHANNELS, sizeof(*evtchn_to_irq),
GFP_KERNEL);
+ if (!evtchn_to_irq)
+ BUG();
for (i = 0; i < NR_EVENT_CHANNELS; i++)
evtchn_to_irq[i] = -1;

--
1.7.4.1


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