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| author | Richard W.M. Jones <rjones@redhat.com> | 2010-11-19 13:05:49 +0000 |
|---|---|---|
| committer | Richard W.M. Jones <rjones@redhat.com> | 2010-11-19 13:06:22 +0000 |
| commit | 3bd883f344a5d6f155f7252e8a478d5b7935d7c6 (patch) | |
| tree | 0fa74d342f67dbfa760f792da530d381bcc25408 /cat/virt-cat.c | |
| parent | 06e993b7bac2fa1d506b24848c4ffddbdfdf49bc (diff) | |
| download | libguestfs-3bd883f344a5d6f155f7252e8a478d5b7935d7c6.tar.gz libguestfs-3bd883f344a5d6f155f7252e8a478d5b7935d7c6.tar.xz libguestfs-3bd883f344a5d6f155f7252e8a478d5b7935d7c6.zip | |
cat: Give a better error if the user specified no drives on command line.
Diffstat (limited to 'cat/virt-cat.c')
| -rw-r--r-- | cat/virt-cat.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/cat/virt-cat.c b/cat/virt-cat.c index 58ebd8ec..3510a948 100644 --- a/cat/virt-cat.c +++ b/cat/virt-cat.c @@ -220,6 +220,10 @@ main (int argc, char *argv[]) if (optind >= argc || argc - optind < 1) usage (EXIT_FAILURE); + /* User must have specified some drives. */ + if (drvs == NULL) + usage (EXIT_FAILURE); + /* Add drives, inspect and mount. Note that inspector is always true, * and there is no -m option. */ |