Messages in this thread Patch in this message | | | From | Konrad Rzeszutek Wilk <> | Subject | [PATCH 4/9] xen/events: BUG() when we can't allocate our event->irq array. | Date | Thu, 29 Sep 2011 15:52:46 -0400 |
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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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