diff options
Diffstat (limited to 'kernel/drivers/hv/hv_utils_transport.c')
| -rw-r--r-- | kernel/drivers/hv/hv_utils_transport.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/kernel/drivers/hv/hv_utils_transport.c b/kernel/drivers/hv/hv_utils_transport.c index 6a9d80a53..1505ee6e6 100644 --- a/kernel/drivers/hv/hv_utils_transport.c +++ b/kernel/drivers/hv/hv_utils_transport.c @@ -204,9 +204,12 @@ int hvutil_transport_send(struct hvutil_transport *hvt, void *msg, int len) goto out_unlock; } hvt->outmsg = kzalloc(len, GFP_KERNEL); - memcpy(hvt->outmsg, msg, len); - hvt->outmsg_len = len; - wake_up_interruptible(&hvt->outmsg_q); + if (hvt->outmsg) { + memcpy(hvt->outmsg, msg, len); + hvt->outmsg_len = len; + wake_up_interruptible(&hvt->outmsg_q); + } else + ret = -ENOMEM; out_unlock: mutex_unlock(&hvt->outmsg_lock); return ret; |