summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--sys/dev/hyperv/vmbus/vmbus_chan.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/sys/dev/hyperv/vmbus/vmbus_chan.c b/sys/dev/hyperv/vmbus/vmbus_chan.c
index 6accc0e..9365db3 100644
--- a/sys/dev/hyperv/vmbus/vmbus_chan.c
+++ b/sys/dev/hyperv/vmbus/vmbus_chan.c
@@ -1346,6 +1346,8 @@ vmbus_subchan_get(struct vmbus_channel *pri_chan, int subchan_cnt)
struct vmbus_channel **ret, *chan;
int i;
+ KASSERT(subchan_cnt > 0, ("invalid sub-channel count %d", subchan_cnt));
+
ret = malloc(subchan_cnt * sizeof(struct vmbus_channel *), M_TEMP,
M_WAITOK);
OpenPOWER on IntegriCloud