Trying to set the number of vcpus of a domain to 0 isn't refused.
We should not allow that.

Signed-off-by: Juergen Gross <jgr...@suse.com>
---
 tools/xl/xl_vcpu.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/tools/xl/xl_vcpu.c b/tools/xl/xl_vcpu.c
index aef486864c..45ac01beda 100644
--- a/tools/xl/xl_vcpu.c
+++ b/tools/xl/xl_vcpu.c
@@ -341,6 +341,10 @@ static int vcpuset(uint32_t domid, const char* nr_vcpus, 
int check_host)
         fprintf(stderr, "Error: Invalid argument.\n");
         return 1;
     }
+    if (nr_vcpus == 0) {
+        fprintf(stderr, "Error: Setting number of vcpus to 0 isn't 
allowed.\n");
+        return 1;
+    }
 
     /*
      * Maximum amount of vCPUS the guest is allowed to set is limited
-- 
2.16.4


_______________________________________________
Xen-devel mailing list
Xen-devel@lists.xenproject.org
https://lists.xenproject.org/mailman/listinfo/xen-devel

Reply via email to