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David Howells be34d1a3bc VFS: Make clone_mnt()/copy_tree()/collect_mounts() return errors 
copy_tree() can theoretically fail in a case other than ENOMEM, but always
returns NULL which is interpreted by callers as -ENOMEM.  Change it to return
an explicit error.

Also change clone_mnt() for consistency and because union mounts will add new
error cases.

Thanks to Andreas Gruenbacher <agruen@suse.de> for a bug fix.
[AV: folded braino fix by Dan Carpenter]

Original-author: Valerie Aurora <vaurora@redhat.com>
Signed-off-by: David Howells <dhowells@redhat.com>
Cc: Valerie Aurora <valerie.aurora@gmail.com>
Cc: Andreas Gruenbacher <agruen@suse.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-07-14 16:37:27 +04:00
..
9p
don't pass nameidata to ->create()
2012-07-14 16:34:47 +04:00
adfs
stop passing nameidata to ->lookup()
2012-07-14 16:34:32 +04:00
affs
don't pass nameidata to ->create()
2012-07-14 16:34:47 +04:00
afs
don't pass nameidata to ->create()
2012-07-14 16:34:47 +04:00
autofs4
stop passing nameidata to ->lookup()
2012-07-14 16:34:32 +04:00
befs
stop passing nameidata to ->lookup()
2012-07-14 16:34:32 +04:00
bfs
don't pass nameidata to ->create()
2012-07-14 16:34:47 +04:00
btrfs
don't pass nameidata to ->create()
2012-07-14 16:34:47 +04:00
cachefiles
don't pass nameidata * to vfs_create()
2012-07-14 16:34:50 +04:00
ceph
don't pass nameidata to ->create()
2012-07-14 16:34:47 +04:00
cifs
don't pass nameidata to ->create()
2012-07-14 16:34:47 +04:00
coda
don't pass nameidata to ->create()
2012-07-14 16:34:47 +04:00
configfs
stop passing nameidata to ->lookup()
2012-07-14 16:34:32 +04:00
cramfs
stop passing nameidata to ->lookup()
2012-07-14 16:34:32 +04:00
debugfs
debugfs: get rid of useless arguments to debugfs_{mkdir,symlink}
2012-07-14 16:35:30 +04:00
devpts
userns: Convert devpts to use kuid/kgid where appropriate
2012-05-15 14:59:26 -07:00
dlm
dlm: NULL dereference on failure in kmem_cache_create()
2012-05-15 10:39:28 -05:00
ecryptfs
don't pass nameidata * to vfs_create()
2012-07-14 16:34:50 +04:00
efs
stop passing nameidata to ->lookup()
2012-07-14 16:34:32 +04:00
exofs
don't pass nameidata to ->create()
2012-07-14 16:34:47 +04:00
exportfs
vfs: switch i_dentry/d_alias to hlist
2012-07-14 16:32:55 +04:00
ext2
don't pass nameidata to ->create()
2012-07-14 16:34:47 +04:00
ext3
don't pass nameidata to ->create()
2012-07-14 16:34:47 +04:00
ext4
don't pass nameidata to ->create()
2012-07-14 16:34:47 +04:00
fat
don't pass nameidata to ->create()
2012-07-14 16:34:47 +04:00
freevxfs
stop passing nameidata to ->lookup()
2012-07-14 16:34:32 +04:00
fscache
…
fuse
don't pass nameidata to ->create()
2012-07-14 16:34:47 +04:00
gfs2
don't pass nameidata to ->create()
2012-07-14 16:34:47 +04:00
hfs
don't pass nameidata to ->create()
2012-07-14 16:34:47 +04:00
hfsplus
don't pass nameidata to ->create()
2012-07-14 16:34:47 +04:00
hostfs
don't pass nameidata to ->create()
2012-07-14 16:34:47 +04:00
hpfs
don't pass nameidata to ->create()
2012-07-14 16:34:47 +04:00
hppfs
stop passing nameidata to ->lookup()
2012-07-14 16:34:32 +04:00
hugetlbfs
don't pass nameidata to ->create()
2012-07-14 16:34:47 +04:00
isofs
stop passing nameidata to ->lookup()
2012-07-14 16:34:32 +04:00
jbd
jbd: Write journal superblock with WRITE_FUA after checkpointing
2012-05-15 23:34:37 +02:00
jbd2
jbd2: use kmem_cache_zalloc wrapper instead of flag
2012-06-01 00:10:32 -04:00
jffs2
don't pass nameidata to ->create()
2012-07-14 16:34:47 +04:00
jfs
don't pass nameidata to ->create()
2012-07-14 16:34:47 +04:00
lockd
Merge branch 'for-3.5' of git://linux-nfs.org/~bfields/linux
2012-06-01 08:32:58 -07:00
logfs
don't pass nameidata to ->create()
2012-07-14 16:34:47 +04:00
minix
don't pass nameidata to ->create()
2012-07-14 16:34:47 +04:00
ncpfs
don't pass nameidata to ->create()
2012-07-14 16:34:47 +04:00
nfs
don't pass nameidata to ->create()
2012-07-14 16:34:47 +04:00
nfs_common
…
nfsd
don't pass nameidata * to vfs_create()
2012-07-14 16:34:50 +04:00
nilfs2
don't pass nameidata to ->create()
2012-07-14 16:34:47 +04:00
nls
nls: fix (and rename) mac NLS table files and config options
2012-06-01 19:51:22 -07:00
notify
vfs: switch i_dentry/d_alias to hlist
2012-07-14 16:32:55 +04:00
ntfs
stop passing nameidata to ->lookup()
2012-07-14 16:34:32 +04:00
ocfs2
don't pass nameidata to ->create()
2012-07-14 16:34:47 +04:00
omfs
don't pass nameidata to ->create()
2012-07-14 16:34:47 +04:00
openpromfs
stop passing nameidata to ->lookup()
2012-07-14 16:34:32 +04:00
proc
fs: add nd_jump_link
2012-07-14 16:35:40 +04:00
pstore
staging tree fixes for 3.5-rc4
2012-06-20 15:15:03 -07:00
qnx4
stop passing nameidata to ->lookup()
2012-07-14 16:34:32 +04:00
qnx6
stop passing nameidata to ->lookup()
2012-07-14 16:34:32 +04:00
quota
quota: Get rid of nested I_MUTEX_QUOTA locking subclass
2012-05-15 23:34:39 +02:00
ramfs
don't pass nameidata to ->create()
2012-07-14 16:34:47 +04:00
reiserfs
don't pass nameidata to ->create()
2012-07-14 16:34:47 +04:00
romfs
stop passing nameidata to ->lookup()
2012-07-14 16:34:32 +04:00
squashfs
stop passing nameidata to ->lookup()
2012-07-14 16:34:32 +04:00
sysfs
sysfs: just use d_materialise_unique()
2012-07-14 16:35:12 +04:00
sysv
don't pass nameidata to ->create()
2012-07-14 16:34:47 +04:00
ubifs
don't pass nameidata to ->create()
2012-07-14 16:34:47 +04:00
udf
don't pass nameidata to ->create()
2012-07-14 16:34:47 +04:00
ufs
don't pass nameidata to ->create()
2012-07-14 16:34:47 +04:00
xfs
don't pass nameidata to ->create()
2012-07-14 16:34:47 +04:00
aio.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2012-06-01 10:34:35 -07:00
anon_inodes.c
anon_inodes: move allocation of anon_inode into ->mount()
2012-03-20 21:29:45 -04:00
attr.c
notify_change(): check that i_mutex is held
2012-07-14 16:35:42 +04:00
bad_inode.c
don't pass nameidata to ->create()
2012-07-14 16:34:47 +04:00
binfmt_aout.c
VM: add "vm_mmap()" helper function
2012-04-20 17:29:13 -07:00
binfmt_elf_fdpic.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
2012-05-23 17:42:39 -07:00
binfmt_elf.c
binfmt_elf: switch elf_map() to vm_mmap/vm_munmap
2012-05-30 21:04:55 -04:00
binfmt_em86.c
__register_binfmt() made void
2012-03-20 21:29:46 -04:00
binfmt_flat.c
binfmt_flat: use vm_munmap, we are missing ->mmap_sem there
2012-05-30 21:04:56 -04:00
binfmt_misc.c
vfs: Rename end_writeback() to clear_inode()
2012-05-06 13:43:41 +08:00
binfmt_script.c
__register_binfmt() made void
2012-03-20 21:29:46 -04:00
binfmt_som.c
VM: add "vm_mmap()" helper function
2012-04-20 17:29:13 -07:00
bio-integrity.c
fs: remove the second argument of k[un]map_atomic()
2012-03-20 21:48:21 +08:00
bio.c
Merge branch 'for-3.5/core' of git://git.kernel.dk/linux-block
2012-05-30 08:52:42 -07:00
block_dev.c
avoid iput() from flusher thread
2012-05-28 09:54:45 -07:00
buffer.c
block: fix infinite loop in __getblk_slow
2012-07-13 08:36:35 -07:00
char_dev.c
char_dev.c: fix up some whitespace errors
2011-12-13 11:18:17 -08:00
compat_binfmt_elf.c
…
compat_ioctl.c
The following text was taken from the original review request:
2012-03-24 10:24:31 -07:00
compat.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/signal
2012-06-01 11:53:44 -07:00
dcache.c
__d_unalias() should refuse to move mountpoints
2012-07-14 16:35:15 +04:00
dcookies.c
fs: reduce the use of module.h wherever possible
2012-02-28 19:31:58 -05:00
direct-io.c
fs/direct-io.c: adjust suspicious bit operation
2012-07-14 16:32:46 +04:00
drop_caches.c
…
eventfd.c
eventfd: change int to __u64 in eventfd_signal()
2012-05-31 17:49:32 -07:00
eventpoll.c
HAVE_RESTORE_SIGMASK is defined on all architectures now
2012-06-01 12:58:46 -04:00
exec.c
mm: correctly synchronize rss-counters at exit/exec
2012-06-20 14:39:36 -07:00
fcntl.c
switch fcntl to fget_raw_light/fput_light
2012-05-29 23:28:30 -04:00
fhandle.c
vfs: prefer ->dentry->d_sb to ->mnt->mnt_sb
2012-01-06 23:16:53 -05:00
fifo.c
…
file_table.c
mark_files_ro(): don't bother with mntget/mntput
2012-07-14 16:35:46 +04:00
file.c
Merge branch 'x86-x32-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2012-03-29 18:12:23 -07:00
filesystems.c
vfs: convert fs_supers to hlist
2012-01-03 22:52:39 -05:00
fs_struct.c
get rid of ->mnt_longterm
2012-07-14 16:32:47 +04:00
fs-writeback.c
writeback: Fix lock imbalance in writeback_sb_inodes()
2012-06-09 08:32:15 +09:00
generic_acl.c
…
inode.c
vfs: switch i_dentry/d_alias to hlist
2012-07-14 16:32:55 +04:00
internal.h
kill struct opendata
2012-07-14 16:33:39 +04:00
ioctl.c
fs: reduce the use of module.h wherever possible
2012-02-28 19:31:58 -05:00
ioprio.c
Merge branch 'for-3.5/core' of git://git.kernel.dk/linux-block
2012-05-30 08:52:42 -07:00
Kconfig
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2012-03-21 13:36:41 -07:00
Kconfig.binfmt
C6X: add support to build with BINFMT_ELF_FDPIC
2012-05-15 09:17:34 -04:00
libfs.c
stop passing nameidata to ->lookup()
2012-07-14 16:34:32 +04:00
locks.c
Remove easily user-triggerable BUG from generic_setlease
2012-07-13 10:50:23 -07:00
Makefile
fs: initial qnx6fs addition
2012-03-20 21:29:38 -04:00
mbcache.c
…
mount.h
get rid of magic in proc_namespace.c
2012-07-14 16:32:48 +04:00
mpage.c
fs: reduce the use of module.h wherever possible
2012-02-28 19:31:58 -05:00
namei.c
fs: add nd_jump_link
2012-07-14 16:35:40 +04:00
namespace.c
VFS: Make clone_mnt()/copy_tree()/collect_mounts() return errors
2012-07-14 16:37:27 +04:00
no-block.c
…
open.c
VFS: Make chown() and lchown() call fchownat()
2012-07-14 16:35:54 +04:00
pipe.c
fs: introduce inode operation ->update_time
2012-06-01 12:07:25 -04:00
pnode.c
VFS: Make clone_mnt()/copy_tree()/collect_mounts() return errors
2012-07-14 16:37:27 +04:00
pnode.h
vfs: switch pnode.h macros to struct mount *
2012-01-03 22:57:11 -05:00
posix_acl.c
fs: reduce the use of module.h wherever possible
2012-02-28 19:31:58 -05:00
proc_namespace.c
get rid of magic in proc_namespace.c
2012-07-14 16:32:48 +04:00
read_write.c
aio/vfs: cleanup of rw_copy_check_uvector() and compat_rw_copy_check_uvector()
2012-05-31 17:49:32 -07:00
read_write.h
…
readdir.c
switch readdir/getdents to fget_light/fput_light
2012-05-29 23:28:29 -04:00
select.c
HAVE_RESTORE_SIGMASK is defined on all architectures now
2012-06-01 12:58:46 -04:00
seq_file.c
The following text was taken from the original review request:
2012-03-24 10:24:31 -07:00
signalfd.c
switch signalfd4() to fget_light/fput_light
2012-05-29 23:28:30 -04:00
splice.c
splice: fix racy pipe->buffers uses
2012-06-13 21:16:42 +02:00
stack.c
fs: reduce the use of module.h wherever possible
2012-02-28 19:31:58 -05:00
stat.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
2012-05-23 17:42:39 -07:00
statfs.c
switch statfs to fget_light/fput_light
2012-05-29 23:28:31 -04:00
super.c
The following text was taken from the original review request:
2012-03-24 10:24:31 -07:00
sync.c
switch do_fsync() to fget_light()
2012-05-29 23:28:29 -04:00
timerfd.c
…
utimes.c
switch utimes() to fget_light/fput_light
2012-05-29 23:28:32 -04:00
xattr_acl.c
fs: reduce the use of module.h wherever possible
2012-02-28 19:31:58 -05:00
xattr.c
switch xattr syscalls to fget_light/fput_light
2012-05-29 23:28:30 -04:00