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Merge branch 'work.mount' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 

Pull vfs mount infrastructure fix from Al Viro:
 "Fixup for sysfs braino.

  Capabilities checks for sysfs mount do include those on netns, but
  only if CONFIG_NET_NS is enabled. Sorry, should've caught that
  earlier..."

* 'work.mount' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  fix sysfs_init_fs_context() in !CONFIG_NET_NS case
hifive-unleashed-5.1
Linus Torvalds 2019-03-16 10:31:02 -07:00
parent 9c7dc824d9 ab81dabda1
commit 924973508b
1 changed files with 5 additions and 3 deletions
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8
fs/sysfs/mount.c
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@ -71,9 +71,11 @@ static int sysfs_init_fs_context(struct fs_context *fc)
kfc->magic = SYSFS_MAGIC;
fc->fs_private = kfc;
fc->ops = &sysfs_fs_context_ops;
if (fc->user_ns)
put_user_ns(fc->user_ns);
fc->user_ns = get_user_ns(netns->user_ns);
if (netns) {
if (fc->user_ns)
put_user_ns(fc->user_ns);
fc->user_ns = get_user_ns(netns->user_ns);
}
fc->global = true;
return 0;
}