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-rw-r--r--tools/pci/pcitest.c21
1 files changed, 5 insertions, 16 deletions
diff --git a/tools/pci/pcitest.c b/tools/pci/pcitest.c
index ec4d51f3308b..cb7a47dfd8b6 100644
--- a/tools/pci/pcitest.c
+++ b/tools/pci/pcitest.c
@@ -1,20 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
/**
* Userspace PCI Endpoint Test Module
*
* Copyright (C) 2017 Texas Instruments
* Author: Kishon Vijay Abraham I <kishon@ti.com>
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 of
- * the License as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <errno.h>
@@ -140,6 +129,7 @@ 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 +152,7 @@ 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 +196,6 @@ int main(int argc, char **argv)
case 's':
test->size = strtoul(optarg, NULL, 0);
continue;
- case '?':
case 'h':
default:
usage:
@@ -224,10 +213,10 @@ 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);
}