Fix some memory leaks (thanks to okozina).

git-svn-id: https://cryptsetup.googlecode.com/svn/trunk@610 36d66b0a-2a48-0410-832c-cd162a569da5

lib/utils_devpath.c

@@ -169,7 +169,7 @@ char *crypt_lookup_dev(const char *dev_id)
 
 static int crypt_sysfs_get_major_minor(const char *kname, int *major, int *minor)
 {
-	char path[PATH_MAX], tmp[64];
+	char path[PATH_MAX], tmp[64] = {0};
 	int fd, r = 0;
 
 	if (snprintf(path, sizeof(path), "/sys/block/%s/dev", kname) < 0)
@@ -180,7 +180,11 @@ static int crypt_sysfs_get_major_minor(const char *kname, int *major, int *minor
 	r = read(fd, tmp, sizeof(tmp));
 	close(fd);
 
-	if (r <= 0 || sscanf(tmp, "%d:%d", major, minor) != 2)
+	if (r <= 0)
+		return 0;
+
+	tmp[63] = '\0';
+	if (sscanf(tmp, "%d:%d", major, minor) != 2)
 		return 0;
 
 	return 1;

src/cryptsetup.c

@@ -1046,6 +1046,7 @@ static __attribute__ ((noreturn)) void usage(poptContext popt_context,
 	poptPrintUsage(popt_context, stderr, 0);
 	if (error)
 		log_err("%s: %s\n", more, error);
+	poptFreeContext(popt_context);
 	exit(exitcode);
 }
 
@@ -1234,6 +1235,7 @@ int main(int argc, const char **argv)
 		      poptBadOption(popt_context, POPT_BADOPTION_NOALIAS));
 	if (opt_version_mode) {
 		log_std("%s %s\n", PACKAGE_NAME, PACKAGE_VERSION);
+		poptFreeContext(popt_context);
 		exit(EXIT_SUCCESS);
 	}
 
@@ -1345,5 +1347,7 @@ int main(int argc, const char **argv)
 		_dbg_version_and_cmd(argc, argv);
 	}
 
-	return run_action(action);
+	r = run_action(action);
+	poptFreeContext(popt_context);
+	return r;
 }

tests/api-test.c

@@ -355,6 +355,12 @@ static void _cleanup(void)
 	remove(BACKUP_FILE);
 
 	_remove_keyfiles();
+
+	free(tmp_file_1);
+	free(test_loop_file);
+	free(THE_LOOP_DEV);
+	free(DEVICE_1);
+	free(DEVICE_2);
 }
 
 static int _setup(void)