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[Qemu-devel] [PATCH v3 2/3] vring: Better error handling if num is too l
From: |
Fam Zheng |
Subject: |
[Qemu-devel] [PATCH v3 2/3] vring: Better error handling if num is too large |
Date: |
Wed, 10 Sep 2014 14:17:50 +0800 |
To be more consistent inside this function.
Signed-off-by: Fam Zheng <address@hidden>
---
hw/virtio/dataplane/vring.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/hw/virtio/dataplane/vring.c b/hw/virtio/dataplane/vring.c
index 67cb2b8..372706a 100644
--- a/hw/virtio/dataplane/vring.c
+++ b/hw/virtio/dataplane/vring.c
@@ -181,7 +181,8 @@ static int get_desc(Vring *vring, VirtQueueElement *elem,
/* Stop for now if there are not enough iovecs available. */
if (*num >= VIRTQUEUE_MAX_SIZE) {
- return -ENOBUFS;
+ error_report("Invalid SG num: %u", *num);
+ return -EFAULT;
}
/* TODO handle non-contiguous memory across region boundaries */
--
1.9.3