tools: PCI: Add 'h' in optstring of getopt()

[linux-block.git] / tools / pci / pcitest.c

diff --git a/tools/pci/pcitest.c b/tools/pci/pcitest.c
index ec4d51f3308b87be876693086ba57dc1cf6498e4..5fa5c2bdd427c0d05f2787f362a685876f448c32 100644 (file)
--- a/tools/pci/pcitest.c
+++ b/tools/pci/pcitest.c
@@ -140,6 +140,7 @@ static void run_test(struct pci_test *test)
        }
 
        fflush(stdout);
+       return (ret < 0) ? ret : 1 - ret; /* return 0 if test succeeded */
 }
 
 int main(int argc, char **argv)
@@ -162,7 +163,7 @@ int main(int argc, char **argv)
        /* set default endpoint device */
        test->device = "/dev/pci-endpoint-test.0";
 
-       while ((c = getopt(argc, argv, "D:b:m:x:i:Ilrwcs:")) != EOF)
+       while ((c = getopt(argc, argv, "D:b:m:x:i:Ilhrwcs:")) != EOF)
        switch (c) {
        case 'D':
                test->device = optarg;
@@ -206,7 +207,6 @@ int main(int argc, char **argv)
        case 's':
                test->size = strtoul(optarg, NULL, 0);
                continue;
-       case '?':
        case 'h':
        default:
 usage:
@@ -224,10 +224,10 @@ usage:
                        "\t-w                   Write buffer test\n"
                        "\t-c                   Copy buffer test\n"
                        "\t-s <size>            Size of buffer {default: 100KB}\n",
+                       "\t-h                   Print this help message\n",
                        argv[0]);
                return -EINVAL;
        }
 
-       run_test(test);
-       return 0;
+       return run_test(test);
 }