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author | Linus Torvalds <torvalds@linux-foundation.org> | 2019-03-16 18:31:02 +0100 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2019-03-16 18:31:02 +0100 |
commit | 924973508bf15f2cabbbef7b5c428131fbbd812b (patch) | |
tree | ad7a0893b8b2cf43941a6aa3a0b15e9bca533004 /fs/sysfs | |
parent | Merge tag '5.1-rc-smb3' of git://git.samba.org/sfrench/cifs-2.6 (diff) | |
parent | fix sysfs_init_fs_context() in !CONFIG_NET_NS case (diff) | |
download | linux-924973508bf15f2cabbbef7b5c428131fbbd812b.tar.xz 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
Diffstat (limited to 'fs/sysfs')
-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; } |