github.com/kubiko/snapd@v0.0.0-20201013125620-d4f3094d9ddf/interfaces/kmod/kmod.go (about)

     1  // -*- Mode: Go; indent-tabs-mode: t -*-
     2  
     3  /*
     4   * Copyright (C) 2016 Canonical Ltd
     5   *
     6   * This program is free software: you can redistribute it and/or modify
     7   * it under the terms of the GNU General Public License version 3 as
     8   * published by the Free Software Foundation.
     9   *
    10   * This program is distributed in the hope that it will be useful,
    11   * but WITHOUT ANY WARRANTY; without even the implied warranty of
    12   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    13   * GNU General Public License for more details.
    14   *
    15   * You should have received a copy of the GNU General Public License
    16   * along with this program.  If not, see <http://www.gnu.org/licenses/>.
    17   *
    18   */
    19  
    20  package kmod
    21  
    22  import (
    23  	"os/exec"
    24  )
    25  
    26  // loadModules loads given list of modules via modprobe.
    27  // Since different kernels may not have the requested module, we treat any
    28  // error from modprobe as non-fatal and subsequent module loads are attempted
    29  // (otherwise failure to load a module means failure to connect the interface
    30  // and the other security backends)
    31  func (b *Backend) loadModules(modules []string) {
    32  	if b.preseed {
    33  		return
    34  	}
    35  	for _, mod := range modules {
    36  		// ignore errors which are logged by loadModule() via syslog
    37  		_ = exec.Command("modprobe", "--syslog", mod).Run()
    38  	}
    39  }