diff options
| author | Keir Fraser <keir.fraser@citrix.com> | 2010-02-08 08:50:03 +0000 |
|---|---|---|
| committer | Keir Fraser <keir.fraser@citrix.com> | 2010-02-08 08:50:03 +0000 |
| commit | 2f98a8cad0104408eb0fa36b87d7d474d9e98792 (patch) | |
| tree | b954a3fcba548604faa96aab1bd43929e59ff1b2 /tools/console | |
| parent | 8e2626b7d79f20772cc913c39e42f817bced4fc5 (diff) | |
| download | xen-2f98a8cad0104408eb0fa36b87d7d474d9e98792.tar.gz xen-2f98a8cad0104408eb0fa36b87d7d474d9e98792.tar.bz2 xen-2f98a8cad0104408eb0fa36b87d7d474d9e98792.zip | |
tools/xenconsole: fix Segmentation fault
Segmentation fault occurs if DOMID isn't specified.
Some check be added to output error message in this situation.
Signed-off-by: Yu Zhiguo <yuzg@cn.fujitsu.com>
Diffstat (limited to 'tools/console')
| -rw-r--r-- | tools/console/client/main.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/tools/console/client/main.c b/tools/console/client/main.c index 63e729acab..840f08eec6 100644 --- a/tools/console/client/main.c +++ b/tools/console/client/main.c @@ -287,7 +287,13 @@ int main(int argc, char **argv) exit(EINVAL); } } - + + if (optind >= argc) { + fprintf(stderr, "DOMID should be specified\n"); + fprintf(stderr, "Try `%s --help' for more information.\n", + argv[0]); + exit(EINVAL); + } domid = strtol(argv[optind], &end, 10); if (end && *end) { fprintf(stderr, "Invalid DOMID `%s'\n", argv[optind]); |