[Qemu-devel] [PATCH 6/8] vl.c: Use parse_uint_full() for NUMA nodeid

[Eduardo Habkost <ehabkost@redhat.com>]

This should catch many kinds of errors that the current code wasn't
checking for:

 - Values that can't be parsed as a number
 - Negative values
 - Overflow
 - Empty string

Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
---
Cc: Eric Blake <eblake@redhat.com>
---
 vl.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/vl.c b/vl.c
index 3637a39..43ce607 100644
--- a/vl.c
+++ b/vl.c
@@ -1264,11 +1264,14 @@ static void numa_add(const char *optarg)
         if (get_param_value(option, 128, "nodeid", optarg) == 0) {
             nodenr = nb_numa_nodes;
         } else {
-            nodenr = strtoull(option, NULL, 10);
+            if (parse_uint_full(option, &nodenr) < 0) {
+                fprintf(stderr, "qemu: Invalid NUMA nodeid: %s\n", option);
+                exit(1);
+            }
         }
 
         if (nodenr >= MAX_NODES) {
-            fprintf(stderr, "qemu: invalid NUMA nodeid: %d\n", nodenr);
+            fprintf(stderr, "qemu: invalid NUMA nodeid: %llu\n", nodenr);
             exit(1);
         }
 
-- 
1.7.11.7