1 files changed, 6 insertions, 0 deletions

diff --git a/kernel-shark.c b/kernel-shark.c
index 86ea2fc..1f1d459 100644
--- a/kernel-shark.c
+++ b/kernel-shark.c
@@ -676,6 +676,12 @@ void kernel_shark(int argc, char **argv)
                 }
         }
 
+        if ((argc - optind) >= 1) {
+                if (input_file)
+                        usage(basename(argv[0]));
+                input_file = argv[optind];
+        }
+
         info = g_new0(typeof(*info), 1);
         if (!info)
                 die("Unable to allocate info");