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authorIan Kent <raven@themaw.net>2017-09-09 02:16:27 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2017-09-09 04:26:50 +0300
commite54c7bcbf14a25dc3a913b4c808b52121c522e9b (patch)
tree57b9eee9438992ce84aeb795608980de25d1dba4
parent42f46148217865a545e129612075f3d828a2c4e4 (diff)
downloadlinux-e54c7bcbf14a25dc3a913b4c808b52121c522e9b.tar.xz
autofs: make disc device user accessible
The autofs miscellanous device ioctls that shouldn't require CAP_SYS_ADMIN need to be accessible to user space applications in order to be able to get information about autofs mounts. The module checks capabilities so the miscelaneous device should be fine with broad permissions. Link: http://lkml.kernel.org/r/150216641928.11652.7388977863125547969.stgit@pluto.themaw.net Signed-off-by: Ian Kent <raven@themaw.net> Cc: Colin Walters <walters@redhat.com> Cc: Ondrej Holy <oholy@redhat.com> Cc: David Howells <dhowells@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--fs/autofs4/dev-ioctl.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/autofs4/dev-ioctl.c b/fs/autofs4/dev-ioctl.c
index dd9f1bebb5a3..218a4ecc75cc 100644
--- a/fs/autofs4/dev-ioctl.c
+++ b/fs/autofs4/dev-ioctl.c
@@ -733,7 +733,8 @@ static const struct file_operations _dev_ioctl_fops = {
static struct miscdevice _autofs_dev_ioctl_misc = {
.minor = AUTOFS_MINOR,
.name = AUTOFS_DEVICE_NAME,
- .fops = &_dev_ioctl_fops
+ .fops = &_dev_ioctl_fops,
+ .mode = 0644,
};
MODULE_ALIAS_MISCDEV(AUTOFS_MINOR);