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