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may_open() does not allow a directory to be opened with the write access.
However, some writing flags set by client result in adding write access
on server, making ksmbd incompatible with FUSE file system. Simply, let's
discard the write access when opening a directory.
list_add corruption. next is NULL.
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:26!
pc : __list_add_valid+0x88/0xbc
lr : __list_add_valid+0x88/0xbc
Call trace:
__list_add_valid+0x88/0xbc
fuse_finish_open+0x11c/0x170
fuse_open_common+0x284/0x5e8
fuse_dir_open+0x14/0x24
do_dentry_open+0x2a4/0x4e0
dentry_open+0x50/0x80
smb2_open+0xbe4/0x15a4
handle_ksmbd_work+0x478/0x5ec
process_one_work+0x1b4/0x448
worker_thread+0x25c/0x430
kthread+0x104/0x1d4
ret_from_fork+0x10/0x20
Cc: stable@vger.kernel.org
Signed-off-by: Yoonho Shin <yoonho.shin@samsung.com>
Signed-off-by: Hobin Woo <hobin.woo@samsung.com>
Acked-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
MS-SMB2 specification describes setting ->DeviceType to FILE_DEVICE_DISK
or FILE_DEVICE_CD_ROM. Set FILE_DEVICE_DISK instead of super magic in
FS_DEVICE_INFORMATION. And Set FILE_READ_ONLY_DEVICE for read-only share.
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
If the directory name in the root of the share starts with
character like 镜(0x955c) or Ṝ(0x1e5c), it (and anything inside)
cannot be accessed. The leading slash check must be checked after
converting unicode to nls string.
Cc: stable@vger.kernel.org
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
Pull smb server fixes from Steve French:
"Two ksmbd server fixes, both for stable"
* tag '6.10-rc-ksmbd-server-fixes' of git://git.samba.org/ksmbd:
ksmbd: ignore trailing slashes in share paths
ksmbd: avoid to send duplicate oplock break notifications
Trailing slashes in share paths (like: /home/me/Share/) caused permission
issues with shares for clients on iOS and on Android TV for me,
but otherwise they work fine with plain old Samba.
Cc: stable@vger.kernel.org
Signed-off-by: Nandor Kracser <bonifaido@gmail.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
-Wflex-array-member-not-at-end is coming in GCC-14, and we are getting
ready to enable it globally.
So, in order to avoid ending up with a flexible-array member in the
middle of multiple other structs, we use the `__struct_group()` helper
to separate the flexible array from the rest of the members in the
flexible structure, and use the tagged `struct create_context_hdr`
instead of `struct create_context`.
So, with these changes, fix 51 of the following warnings[1]:
fs/smb/client/../common/smb2pdu.h:1225:31: warning: structure containing a flexible array member is not at the end of another structure [-Wflex-array-member-not-at-end]
Link: https://gist.github.com/GustavoARSilva/772526a39be3dd4db39e71497f0a9893 [1]
Link: https://github.com/KSPP/linux/issues/202
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
This patch fixes generic/011 when oplocks is enable.
Avoid to send duplicate oplock break notifications like smb2 leases
case.
Fixes: 97c2ec6466 ("ksmbd: avoid to send duplicate lease break notifications")
Cc: stable@vger.kernel.org
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
This patch fix xfstests generic/070 test with smb2 leases = yes.
cifs.ko doesn't set parent lease key and epoch in create context v2 lease.
ksmbd suppose that parent lease and epoch are vaild if data length is
v2 lease context size and handle directory lease using this values.
ksmbd should hanle it as v1 lease not v2 lease if parent lease key and
epoch are not set in create context v2 lease.
Cc: stable@vger.kernel.org
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
lease break wait for lease break acknowledgment.
rwsem is more suitable than unlock while traversing the list for parent
lease break in ->m_op_list.
Cc: stable@vger.kernel.org
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
This patch fixes generic/011 when enable smb2 leases.
if ksmbd sends multiple notifications for a file, cifs increments
the reference count of the file but it does not decrement the count by
the failure of queue_work.
So even if the file is closed, cifs does not send a SMB2_CLOSE request.
Cc: stable@vger.kernel.org
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
ΕΛΕΝΗ reported that ksmbd binds to the IPV6 wildcard (::) by default for
ipv4 and ipv6 binding. So IPV4 connections are successful only when
the Linux system parameter bindv6only is set to 0 [default value].
If this parameter is set to 1, then the ipv6 wildcard only represents
any IPV6 address. Samba creates different sockets for ipv4 and ipv6
by default. This patch off sk_ipv6only to support IPV4/IPV6 connections
without creating two sockets.
Cc: stable@vger.kernel.org
Reported-by: ΕΛΕΝΗ ΤΖΑΒΕΛΛΑ <helentzavellas@yahoo.gr>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
If capabilities of the share is not SMB2_SHARE_CAP_CONTINUOUS_AVAILABILITY,
ksmbd should not grant a persistent handle to the client.
This patch add continuous availability share parameter to control it.
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
File overwrite case is explicitly handled, so it is not necessary to
pass RENAME_NOREPLACE to vfs_rename.
Clearing the flag fixes rename operations when the share is a ntfs-3g
mount. The latter uses an older version of fuse with no support for
flags in the ->rename op.
Cc: stable@vger.kernel.org
Signed-off-by: Marios Makassikis <mmakassikis@freebox.fr>
Acked-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
The response buffer should be allocated in smb2_allocate_rsp_buf
before validating request. But the fields in payload as well as smb2 header
is used in smb2_allocate_rsp_buf(). This patch add simple buffer size
validation to avoid potencial out-of-bounds in request buffer.
Cc: stable@vger.kernel.org
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
If ->ProtocolId is SMB2_TRANSFORM_PROTO_NUM, smb2 request size
validation could be skipped. if request size is smaller than
sizeof(struct smb2_query_info_req), slab-out-of-bounds read can happen in
smb2_allocate_rsp_buf(). This patch allocate response buffer after
decrypting transform request. smb3_decrypt_req() will validate transform
request size and avoid slab-out-of-bound in smb2_allocate_rsp_buf().
Reported-by: Norbert Szetei <norbert@doyensec.com>
Cc: stable@vger.kernel.org
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
SMB2_GLOBAL_CAP_ENCRYPTION flag should be used only for 3.0 and
3.0.2 dialects. This flags set cause compatibility problems with
other SMB clients.
Reported-by: James Christopher Adduono <jc@adduono.com>
Tested-by: James Christopher Adduono <jc@adduono.com>
Cc: stable@vger.kernel.org
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
If installing malicious ksmbd-tools, ksmbd.mountd can return invalid ipc
response to ksmbd kernel server. ksmbd should validate payload size of
ipc response from ksmbd.mountd to avoid memory overrun or
slab-out-of-bounds. This patch validate 3 ipc response that has payload.
Cc: stable@vger.kernel.org
Reported-by: Chao Ma <machao2019@gmail.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
Pull smb server updates from Steve French:
- add support for durable file handles (an important data integrity
feature)
- fixes for potential out of bounds issues
- fix possible null dereference in close
- getattr fixes
- trivial typo fix and minor cleanup
* tag 'v6.9-rc-smb3-server-fixes' of git://git.samba.org/ksmbd:
ksmbd: remove module version
ksmbd: fix potencial out-of-bounds when buffer offset is invalid
ksmbd: fix slab-out-of-bounds in smb_strndup_from_utf16()
ksmbd: Fix spelling mistake "connction" -> "connection"
ksmbd: fix possible null-deref in smb_lazy_parent_lease_break_close
ksmbd: add support for durable handles v1/v2
ksmbd: mark SMB2_SESSION_EXPIRED to session when destroying previous session
ksmbd: retrieve number of blocks using vfs_getattr in set_file_allocation_info
ksmbd: replace generic_fillattr with vfs_getattr
ksmbd module version marking is not needed. Since there is a
Linux kernel version, there is no point in increasing it anymore.
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
I found potencial out-of-bounds when buffer offset fields of a few requests
is invalid. This patch set the minimum value of buffer offset field to
->Buffer offset to validate buffer length.
Cc: stable@vger.kernel.org
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
If ->NameOffset of smb2_create_req is smaller than Buffer offset of
smb2_create_req, slab-out-of-bounds read can happen from smb2_open.
This patch set the minimum value of the name offset to the buffer offset
to validate name length of smb2_create_req().
Cc: stable@vger.kernel.org
Reported-by: Xuanzhe Yu <yuxuanzhe@outlook.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
Durable file handles allow reopening a file preserved on a short
network outage and transparent client reconnection within a timeout.
i.e. Durable handles aren't necessarily cleaned up when the opening
process terminates.
This patch add support for durable handle version 1 and 2.
To prove durable handles work on ksmbd, I have tested this patch with
the following smbtorture tests:
smb2.durable-open.open-oplock
smb2.durable-open.open-lease
smb2.durable-open.reopen1
smb2.durable-open.reopen1a
smb2.durable-open.reopen1a-lease
smb2.durable-open.reopen2
smb2.durable-open.reopen2a
smb2.durable-open.reopen2-lease
smb2.durable-open.reopen2-lease-v2
smb2.durable-open.reopen3
smb2.durable-open.reopen4
smb2.durable-open.delete_on_close2
smb2.durable-open.file-position
smb2.durable-open.lease
smb2.durable-open.alloc-size
smb2.durable-open.read-only
smb2.durable-v2-open.create-blob
smb2.durable-v2-open.open-oplock
smb2.durable-v2-open.open-lease
smb2.durable-v2-open.reopen1
smb2.durable-v2-open.reopen1a
smb2.durable-v2-open.reopen1a-lease
smb2.durable-v2-open.reopen2
smb2.durable-v2-open.reopen2b
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
Currently ksmbd exit connection as well destroying previous session.
When testing durable handle feaure, I found that
destroy_previous_session() should destroy only session, i.e. the
connection should be still alive. This patch mark SMB2_SESSION_EXPIRED
on the previous session to be destroyed later and not used anymore.
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
Pull file locking updates from Christian Brauner:
"A few years ago struct file_lock_context was added to allow for
separate lists to track different types of file locks instead of using
a singly-linked list for all of them.
Now leases no longer need to be tracked using struct file_lock.
However, a lot of the infrastructure is identical for leases and locks
so separating them isn't trivial.
This splits a group of fields used by both file locks and leases into
a new struct file_lock_core. The new core struct is embedded in struct
file_lock. Coccinelle was used to convert a lot of the callers to deal
with the move, with the remaining 25% or so converted by hand.
Afterwards several internal functions in fs/locks.c are made to work
with struct file_lock_core. Ultimately this allows to split struct
file_lock into struct file_lock and struct file_lease. The file lease
APIs are then converted to take struct file_lease"
* tag 'vfs-6.9.file' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs: (51 commits)
filelock: fix deadlock detection in POSIX locking
filelock: always define for_each_file_lock()
smb: remove redundant check
filelock: don't do security checks on nfsd setlease calls
filelock: split leases out of struct file_lock
filelock: remove temporary compatibility macros
smb/server: adapt to breakup of struct file_lock
smb/client: adapt to breakup of struct file_lock
ocfs2: adapt to breakup of struct file_lock
nfsd: adapt to breakup of struct file_lock
nfs: adapt to breakup of struct file_lock
lockd: adapt to breakup of struct file_lock
fuse: adapt to breakup of struct file_lock
gfs2: adapt to breakup of struct file_lock
dlm: adapt to breakup of struct file_lock
ceph: adapt to breakup of struct file_lock
afs: adapt to breakup of struct file_lock
9p: adapt to breakup of struct file_lock
filelock: convert seqfile handling to use file_lock_core
filelock: convert locks_translate_pid to take file_lock_core
...
ksmbd_iov_pin_rsp_read() doesn't free the provided aux buffer if it
fails. Seems to be the caller's responsibility to clear the buffer in
error case.
Found by Linux Verification Center (linuxtesting.org).
Fixes: e2b76ab8b5 ("ksmbd: add support for read compound")
Cc: stable@vger.kernel.org
Signed-off-by: Fedor Pchelkin <pchelkin@ispras.ru>
Acked-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
The ksmbd_extract_sharename() function lacked a complete kernel-doc
comment. This patch adds parameter descriptions and detailed function
behavior to improve code readability and maintainability.
Signed-off-by: Yang Li <yang.lee@linux.alibaba.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Acked-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
In a future patch, we're going to split file leases into their own
structure. Since a lot of the underlying machinery uses the same fields
move those into a new file_lock_core, and embed that inside struct
file_lock.
For now, add some macros to ensure that we can continue to build while
the conversion is in progress.
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Link: https://lore.kernel.org/r/20240131-flsplit-v3-17-c6129007ee8d@kernel.org
Reviewed-by: NeilBrown <neilb@suse.de>
Signed-off-by: Christian Brauner <brauner@kernel.org>
Fix some kernel-doc comments to silence the warnings:
fs/smb/server/transport_tcp.c:374: warning: Function parameter or struct member 'max_retries' not described in 'ksmbd_tcp_read'
fs/smb/server/transport_tcp.c:423: warning: Function parameter or struct member 'iface' not described in 'create_socket'
Signed-off-by: Yang Li <yang.lee@linux.alibaba.com>
Acked-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
When smb2 leases is disable, ksmbd can send oplock break notification
and cause wait oplock break ack timeout. It may appear like hang when
accessing a directory. This patch make only v2 leases handle the
directory.
Cc: stable@vger.kernel.org
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
Pull smb server updates from Steve French:
- memory allocation fix
- three lease fixes, including important rename fix
- read only share fix
- thread freeze fix
- three cleanup fixes (two kernel doc related)
- locking fix in setting EAs
- packet header validation fix
* tag '6.8-rc-smb-server-fixes' of git://git.samba.org/ksmbd:
ksmbd: Add missing set_freezable() for freezable kthread
ksmbd: free ppace array on error in parse_dacl
ksmbd: send lease break notification on FILE_RENAME_INFORMATION
ksmbd: don't allow O_TRUNC open on read-only share
ksmbd: vfs: fix all kernel-doc warnings
ksmbd: auth: fix most kernel-doc warnings
ksmbd: Remove usage of the deprecated ida_simple_xx() API
ksmbd: don't increment epoch if current state and request state are same
ksmbd: fix potential circular locking issue in smb2_set_ea()
ksmbd: set v2 lease version on lease upgrade
ksmbd: validate the zero field of packet header
Pull rename updates from Al Viro:
"Fix directory locking scheme on rename
This was broken in 6.5; we really can't lock two unrelated directories
without holding ->s_vfs_rename_mutex first and in case of same-parent
rename of a subdirectory 6.5 ends up doing just that"
* tag 'pull-rename' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
rename(): avoid a deadlock in the case of parents having no common ancestor
kill lock_two_inodes()
rename(): fix the locking of subdirectories
f2fs: Avoid reading renamed directory if parent does not change
ext4: don't access the source subdirectory content on same-directory rename
ext2: Avoid reading renamed directory if parent does not change
udf_rename(): only access the child content on cross-directory rename
ocfs2: Avoid touching renamed directory if parent does not change
reiserfs: Avoid touching renamed directory if parent does not change
The kernel thread function ksmbd_conn_handler_loop() invokes
the try_to_freeze() in its loop. But all the kernel threads are
non-freezable by default. So if we want to make a kernel thread to be
freezable, we have to invoke set_freezable() explicitly.
Signed-off-by: Kevin Hao <haokexin@gmail.com>
Acked-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
The ppace array is not freed if one of the init_acl_state() calls inside
parse_dacl() fails. At the moment the function may fail only due to the
memory allocation errors so it's highly unlikely in this case but
nevertheless a fix is needed.
Move ppace allocation after the init_acl_state() calls with proper error
handling.
Found by Linux Verification Center (linuxtesting.org).
Fixes: e2f34481b2 ("cifsd: add server-side procedures for SMB3")
Cc: stable@vger.kernel.org
Signed-off-by: Fedor Pchelkin <pchelkin@ispras.ru>
Acked-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
Send lease break notification on FILE_RENAME_INFORMATION request.
This patch fix smb2.lease.v2_epoch2 test failure.
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
When file is changed using notepad on read-only share(read_only = yes in
ksmbd.conf), There is a problem where existing data is truncated.
notepad in windows try to O_TRUNC open(FILE_OVERWRITE_IF) and all data
in file is truncated. This patch don't allow O_TRUNC open on read-only
share and add KSMBD_TREE_CONN_FLAG_WRITABLE check in smb2_set_info().
Cc: stable@vger.kernel.org
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
Fix all kernel-doc warnings in vfs.c:
vfs.c:54: warning: Function parameter or member 'parent' not described in 'ksmbd_vfs_lock_parent'
vfs.c:54: warning: Function parameter or member 'child' not described in 'ksmbd_vfs_lock_parent'
vfs.c:54: warning: No description found for return value of 'ksmbd_vfs_lock_parent'
vfs.c:372: warning: Function parameter or member 'fp' not described in 'ksmbd_vfs_read'
vfs.c:372: warning: Excess function parameter 'fid' description in 'ksmbd_vfs_read'
vfs.c:489: warning: Function parameter or member 'fp' not described in 'ksmbd_vfs_write'
vfs.c:489: warning: Excess function parameter 'fid' description in 'ksmbd_vfs_write'
vfs.c:555: warning: Function parameter or member 'path' not described in 'ksmbd_vfs_getattr'
vfs.c:555: warning: Function parameter or member 'stat' not described in 'ksmbd_vfs_getattr'
vfs.c:555: warning: Excess function parameter 'work' description in 'ksmbd_vfs_getattr'
vfs.c:555: warning: Excess function parameter 'fid' description in 'ksmbd_vfs_getattr'
vfs.c:555: warning: Excess function parameter 'attrs' description in 'ksmbd_vfs_getattr'
vfs.c:572: warning: Function parameter or member 'p_id' not described in 'ksmbd_vfs_fsync'
vfs.c:595: warning: Function parameter or member 'work' not described in 'ksmbd_vfs_remove_file'
vfs.c:595: warning: Function parameter or member 'path' not described in 'ksmbd_vfs_remove_file'
vfs.c:595: warning: Excess function parameter 'name' description in 'ksmbd_vfs_remove_file'
vfs.c:633: warning: Function parameter or member 'work' not described in 'ksmbd_vfs_link'
vfs.c:805: warning: Function parameter or member 'fp' not described in 'ksmbd_vfs_truncate'
vfs.c:805: warning: Excess function parameter 'fid' description in 'ksmbd_vfs_truncate'
vfs.c:846: warning: Excess function parameter 'size' description in 'ksmbd_vfs_listxattr'
vfs.c:953: warning: Function parameter or member 'option' not described in 'ksmbd_vfs_set_fadvise'
vfs.c:953: warning: Excess function parameter 'options' description in 'ksmbd_vfs_set_fadvise'
vfs.c:1167: warning: Function parameter or member 'um' not described in 'ksmbd_vfs_lookup_in_dir'
vfs.c:1203: warning: Function parameter or member 'work' not described in 'ksmbd_vfs_kern_path_locked'
vfs.c:1641: warning: No description found for return value of 'ksmbd_vfs_init_kstat'
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Namjae Jeon <linkinjeon@kernel.org>
Cc: Steve French <sfrench@samba.org>
Cc: Sergey Senozhatsky <senozhatsky@chromium.org>
Cc: Tom Talpey <tom@talpey.com>
Cc: linux-cifs@vger.kernel.org
Acked-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
Fix 12 of 17 kernel-doc warnings in auth.c:
auth.c:221: warning: Function parameter or member 'conn' not described in 'ksmbd_auth_ntlmv2'
auth.c:221: warning: Function parameter or member 'cryptkey' not described in 'ksmbd_auth_ntlmv2'
auth.c:305: warning: Function parameter or member 'blob_len' not described in 'ksmbd_decode_ntlmssp_auth_blob'
auth.c:305: warning: Function parameter or member 'conn' not described in 'ksmbd_decode_ntlmssp_auth_blob'
auth.c:305: warning: Excess function parameter 'usr' description in 'ksmbd_decode_ntlmssp_auth_blob'
auth.c:385: warning: Function parameter or member 'blob_len' not described in 'ksmbd_decode_ntlmssp_neg_blob'
auth.c:385: warning: Function parameter or member 'conn' not described in 'ksmbd_decode_ntlmssp_neg_blob'
auth.c:385: warning: Excess function parameter 'rsp' description in 'ksmbd_decode_ntlmssp_neg_blob'
auth.c:385: warning: Excess function parameter 'sess' description in 'ksmbd_decode_ntlmssp_neg_blob'
auth.c:413: warning: Function parameter or member 'conn' not described in 'ksmbd_build_ntlmssp_challenge_blob'
auth.c:413: warning: Excess function parameter 'rsp' description in 'ksmbd_build_ntlmssp_challenge_blob'
auth.c:413: warning: Excess function parameter 'sess' description in 'ksmbd_build_ntlmssp_challenge_blob'
The other 5 are only present when a W=1 kernel build is done or
when scripts/kernel-doc is run with -Wall. They are:
auth.c:81: warning: No description found for return value of 'ksmbd_gen_sess_key'
auth.c:385: warning: No description found for return value of 'ksmbd_decode_ntlmssp_neg_blob'
auth.c:413: warning: No description found for return value of 'ksmbd_build_ntlmssp_challenge_blob'
auth.c:577: warning: No description found for return value of 'ksmbd_sign_smb2_pdu'
auth.c:628: warning: No description found for return value of 'ksmbd_sign_smb3_pdu'
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Namjae Jeon <linkinjeon@kernel.org>
Cc: Steve French <sfrench@samba.org>
Cc: Sergey Senozhatsky <senozhatsky@chromium.org>
Cc: Tom Talpey <tom@talpey.com>
Cc: linux-cifs@vger.kernel.org
Acked-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
ida_alloc() and ida_free() should be preferred to the deprecated
ida_simple_get() and ida_simple_remove().
This is less verbose.
Note that the upper limit of ida_simple_get() is exclusive, but the one of
ida_alloc_range() is inclusive. So change a 0xFFFFFFFF into a 0xFFFFFFFE in
order to keep the same behavior.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Acked-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
