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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2019-03-16 10:31:02 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2019-03-16 10:31:02 -0700 |
| commit | 924973508bf15f2cabbbef7b5c428131fbbd812b (patch) | |
| tree | ad7a0893b8b2cf43941a6aa3a0b15e9bca533004 | |
| parent | 9c7dc824d9a48f98b4ee20041e865d97bc73a626 (diff) | |
| parent | ab81dabda1d4edc1728173be6c6a279455f220e3 (diff) | |
| download | linux-924973508bf15f2cabbbef7b5c428131fbbd812b.tar.gz linux-924973508bf15f2cabbbef7b5c428131fbbd812b.tar.bz2 linux-924973508bf15f2cabbbef7b5c428131fbbd812b.zip | |
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
| -rw-r--r-- | fs/sysfs/mount.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/fs/sysfs/mount.c b/fs/sysfs/mount.c index 4cb21b558a85..1b56686ab178 100644 --- a/fs/sysfs/mount.c +++ b/fs/sysfs/mount.c @@ -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; } |