From aa00030b78b4e46511c32c76c08ea031eacef8d1 Mon Sep 17 00:00:00 2001 From: Ludovic Rousseau Date: Sun, 22 Sep 2013 21:15:56 +0200 Subject: [PATCH] examples: check the value returned by libusb_init() Problem detected by the Coverity tool CID 1042538 (#1 of 1): Unchecked return value (CHECKED_RETURN)4. check_return: Calling function "libusb_init(libusb_context **)" without checking return value (as is done elsewhere 11 out of 12 times). --- examples/hotplugtest.c | 7 ++++++- libusb/version_nano.h | 2 +- 2 files changed, 7 insertions(+), 2 deletions(-) diff --git a/examples/hotplugtest.c b/examples/hotplugtest.c index fef01aff..6cdf0c86 100644 --- a/examples/hotplugtest.c +++ b/examples/hotplugtest.c @@ -65,7 +65,12 @@ int main(int argc, char *argv[]) product_id = (argc > 2) ? strtol (argv[2], NULL, 0) : 0x5005; class_id = (argc > 3) ? strtol (argv[3], NULL, 0) : LIBUSB_HOTPLUG_MATCH_ANY; - libusb_init (NULL); + rc = libusb_init (NULL); + if (rc < 0) + { + printf("failed to initialise libusb: %s\n", libusb_error_name(rc)); + return EXIT_FAILURE; + } if (!libusb_has_capability (LIBUSB_CAP_HAS_HOTPLUG)) { printf ("Hotplug capabilites are not supported on this platform\n"); diff --git a/libusb/version_nano.h b/libusb/version_nano.h index a833d52c..a3879902 100644 --- a/libusb/version_nano.h +++ b/libusb/version_nano.h @@ -1 +1 @@ -#define LIBUSB_NANO 10839 +#define LIBUSB_NANO 10840