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| author | Ludovic Rousseau <ludovic.rousseau+github@gmail.com> | 2013-09-22 21:15:56 +0200 |
|---|---|---|
| committer | Ludovic Rousseau <ludovic.rousseau+github@gmail.com> | 2013-09-28 12:14:13 +0200 |
| commit | aa00030b78b4e46511c32c76c08ea031eacef8d1 (patch) | |
| tree | 013520cfef40999bc903c097ed782712079933a3 | |
| parent | d09389be6f91f5e6a382a90f68916e8ee7444a60 (diff) | |
| download | libusb-aa00030b78b4e46511c32c76c08ea031eacef8d1.tar.gz | |
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).
| -rw-r--r-- | examples/hotplugtest.c | 7 | ||||
| -rw-r--r-- | libusb/version_nano.h | 2 |
2 files changed, 7 insertions, 2 deletions
diff --git a/examples/hotplugtest.c b/examples/hotplugtest.c index fef01af..6cdf0c8 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 a833d52..a387990 100644 --- a/libusb/version_nano.h +++ b/libusb/version_nano.h @@ -1 +1 @@ -#define LIBUSB_NANO 10839 +#define LIBUSB_NANO 10840 |