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[Qemu-devel] [PATCH 4/8] vl.c: Check for NUMA node limit inside numa_add


From: Eduardo Habkost
Subject: [Qemu-devel] [PATCH 4/8] vl.c: Check for NUMA node limit inside numa_add()
Date: Mon, 4 Feb 2013 16:27:48 -0200

Instead of checking the limit before calling numa_add(), check the limit
only when we already know we're going to add a new node.

Signed-off-by: Eduardo Habkost <address@hidden>
Reviewed-by: Eric Blake <address@hidden>
---
 vl.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/vl.c b/vl.c
index 586aa9a..89de003 100644
--- a/vl.c
+++ b/vl.c
@@ -1258,6 +1258,12 @@ static void numa_add(const char *optarg)
         optarg++;
     }
     if (!strcmp(option, "node")) {
+
+        if (nb_numa_nodes >= MAX_NODES) {
+            fprintf(stderr, "qemu: too many NUMA nodes\n");
+            exit(1);
+        }
+
         if (get_param_value(option, 128, "nodeid", optarg) == 0) {
             nodenr = nb_numa_nodes;
         } else {
@@ -3003,10 +3009,6 @@ int main(int argc, char **argv, char **envp)
                 }
                 break;
             case QEMU_OPTION_numa:
-                if (nb_numa_nodes >= MAX_NODES) {
-                    fprintf(stderr, "qemu: too many NUMA nodes\n");
-                    exit(1);
-                }
                 numa_add(optarg);
                 break;
             case QEMU_OPTION_display:
-- 
1.8.1




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