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| author | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2011-09-29 19:31:21 +0200 |
|---|---|---|
| committer | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2011-10-19 23:03:25 +0200 |
| commit | 9d093e2958baf76154d1008339f594f798a52790 (patch) | |
| tree | 3985f2342453fce2c0a49a67b87aff6e357c79e2 /drivers/xen/events.c | |
| parent | Linux 3.1-rc8 (diff) | |
| download | linux-9d093e2958baf76154d1008339f594f798a52790.tar.xz linux-9d093e2958baf76154d1008339f594f798a52790.zip | |
xen/events: BUG() when we can't allocate our event->irq array.
In case we can't allocate we are doomed. We should BUG_ON
instead of trying to dereference it later on.
Acked-by: Ian Campbell <ian.campbell@citrix.com>
[v1: Use BUG_ON instead of BUG]
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Diffstat (limited to 'drivers/xen/events.c')
| -rw-r--r-- | drivers/xen/events.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/xen/events.c b/drivers/xen/events.c index 7523719bf8a4..6b002cca1f5a 100644 --- a/drivers/xen/events.c +++ b/drivers/xen/events.c @@ -1670,6 +1670,7 @@ void __init xen_init_IRQ(void) evtchn_to_irq = kcalloc(NR_EVENT_CHANNELS, sizeof(*evtchn_to_irq), GFP_KERNEL); + BUG_ON(!evtchn_to_irq); for (i = 0; i < NR_EVENT_CHANNELS; i++) evtchn_to_irq[i] = -1; |