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[Qemu-devel] [PATCH] vhost-user: verify that number of queues is less th
From: |
Ilya Maximets |
Subject: |
[Qemu-devel] [PATCH] vhost-user: verify that number of queues is less than MAX_QUEUE_NUM |
Date: |
Wed, 24 Feb 2016 13:44:34 +0300 |
Fix QEMU crash when -netdev vhost-user,queues=n is passed with number
of queues greater than MAX_QUEUE_NUM.
Signed-off-by: Ilya Maximets <address@hidden>
---
net/vhost-user.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/net/vhost-user.c b/net/vhost-user.c
index 451dbbf..b753b3d 100644
--- a/net/vhost-user.c
+++ b/net/vhost-user.c
@@ -317,9 +317,10 @@ int net_init_vhost_user(const NetClientOptions *opts,
const char *name,
}
queues = vhost_user_opts->has_queues ? vhost_user_opts->queues : 1;
- if (queues < 1) {
+ if (queues < 1 || queues > MAX_QUEUE_NUM) {
error_setg(errp,
- "vhost-user number of queues must be bigger than zero");
+ "vhost-user number of queues must be in range [1, %d]",
+ MAX_QUEUE_NUM);
return -1;
}
--
2.5.0
- [Qemu-devel] [PATCH] vhost-user: verify that number of queues is less than MAX_QUEUE_NUM,
Ilya Maximets <=