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/* Copyright 2015 IBM Corp.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
* implied.
* See the License for the specific language governing permissions and
* imitations under the License.
*/
#include <stdlib.h>
#include <unistd.h>
#include <err.h>
#include <sys/types.h>
#include <sys/wait.h>
#include "module.h"
#include "opal-prd.h"
int insert_module(const char *module)
{
int status;
pid_t pid;
pid = fork();
if (!pid) {
execlp("modprobe", "modprobe", module, NULL);
err(EXIT_FAILURE, "Failed to run modprobe");
}
pid = waitpid(pid, &status, 0);
if (pid < 0) {
pr_log(LOG_ERR, "KMOD: waitpid failed for "
"modprobe process: %m");
return -1;
}
if (!WIFEXITED(status)) {
pr_log(LOG_WARNING, "KMOD: modprobe %s: process didn't "
"exit cleanly", module);
return -1;
}
if (WEXITSTATUS(status) != 0) {
pr_log(LOG_WARNING, "KMOD: modprobe %s failed, status %d",
module, WEXITSTATUS(status));
return -1;
}
return 0;
}
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