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Pull in mips-fixes avoiding conflicts with more CI20 DT changes.
A few MIPS fixes:
- DT fixes for CI20
- Fix command line handling
- Correct patchwork URL
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
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Reformat multi-line dereferencing of function arguments
&cmd->scan_begin_arg. Also reformat another call to the same function to
follow the same argument formatting structure. Problem detected by
checkpatch script.
Signed-off-by: Deepak R Varma <mh12gx2825@gmail.com>
Link: https://lore.kernel.org/r/20200322185932.GA12594@deeUbuntu
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Add space around operator + to improve code readability.
Reported by checkpatch.pl
Signed-off-by: Soumyajit Deb <debsoumyajit100@gmail.com>
Link: https://lore.kernel.org/r/20200323054836.48816-2-debsoumyajit100@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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kmemleak reports the following memory leak:
unreferenced object 0xffff88821feac8a0 (size 96):
comm "kworker/1:0", pid 17, jiffies 4294896362 (age 20.512s)
hex dump (first 32 bytes):
a0 c8 ea 1f 82 88 ff ff 00 c9 ea 1f 82 88 ff ff ................
00 00 00 00 00 00 00 00 00 01 00 00 00 00 ad de ................
backtrace:
[<00000000b3ea77fb>] ceph_get_snapid_map+0x75/0x2a0
[<00000000d4060942>] fill_inode+0xb26/0x1010
[<0000000049da6206>] ceph_readdir_prepopulate+0x389/0xc40
[<00000000e2fe2549>] dispatch+0x11ab/0x1521
[<000000007700b894>] ceph_con_workfn+0xf3d/0x3240
[<0000000039138a41>] process_one_work+0x24d/0x590
[<00000000eb751f34>] worker_thread+0x4a/0x3d0
[<000000007e8f0d42>] kthread+0xfb/0x130
[<00000000d49bd1fa>] ret_from_fork+0x3a/0x50
A kfree is missing while looping the 'to_free' list of ceph_snapid_map
objects.
Cc: stable@vger.kernel.org
Fixes: 75c9627efb72 ("ceph: map snapid to anonymous bdev ID")
Signed-off-by: Luis Henriques <lhenriques@suse.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
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Make it so that CEPH_MSG_DATA_PAGES data item can own pages,
fixing a bunch of memory leaks for a page vector allocated in
alloc_msg_with_page_vector(). Currently, only watch-notify
messages trigger this allocation, and normally the page vector
is freed either in handle_watch_notify() or by the caller of
ceph_osdc_notify(). But if the message is freed before that
(e.g. if the session faults while reading in the message or
if the notify is stale), we leak the page vector.
This was supposed to be fixed by switching to a message-owned
pagelist, but that never happened.
Fixes: 1907920324f1 ("libceph: support for sending notifies")
Reported-by: Roman Penyaev <rpenyaev@suse.de>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Reviewed-by: Roman Penyaev <rpenyaev@suse.de>
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CEPH_OSDMAP_FULL/NEARFULL aren't set since mimic, so we need to consult
per-pool flags as well. Unfortunately the backwards compatibility here
is lacking:
- the change that deprecated OSDMAP_FULL/NEARFULL went into mimic, but
was guarded by require_osd_release >= RELEASE_LUMINOUS
- it was subsequently backported to luminous in v12.2.2, but that makes
no difference to clients that only check OSDMAP_FULL/NEARFULL because
require_osd_release is not client-facing -- it is for OSDs
Since all kernels are affected, the best we can do here is just start
checking both map flags and pool flags and send that to stable.
These checks are best effort, so take osdc->lock and look up pool flags
just once. Remove the FIXME, since filesystem quotas are checked above
and RADOS quotas are reflected in POOL_FLAG_FULL: when the pool reaches
its quota, both POOL_FLAG_FULL and POOL_FLAG_FULL_QUOTA are set.
Cc: stable@vger.kernel.org
Reported-by: Yanhu Cao <gmayyyha@gmail.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Acked-by: Sage Weil <sage@redhat.com>
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Add a missing include in order to fix -Wmissing-prototypes warning:
arch/x86/kernel/cpu/feat_ctl.c:95:6: warning: no previous prototype for ‘init_ia32_feat_ctl’ [-Wmissing-prototypes]
95 | void init_ia32_feat_ctl(struct cpuinfo_x86 *c)
Signed-off-by: Benjamin Thiel <b.thiel@posteo.de>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/20200323105934.26597-1-b.thiel@posteo.de
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Checkpatch would flash a check message around a stringified macro
argument containing a '-' character. Add comment to indicate the
argument is legitimate and doesn't need fixing.
Signed-off-by: Deepak R Varma <mh12gx2825@gmail.com>
Suggested-by: Lars-Peter Clausen <lars@metafoo.de>
Link: https://lore.kernel.org/r/469bf8db1c228913e72841367182fba2168fe795.1584904896.git.mh12gx2825@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Re-indent enum labels as per coding style guidelines. Problem
detected by checkpatch script.
Signed-off-by: Deepak R Varma <mh12gx2825@gmail.com>
Link: https://lore.kernel.org/r/5c6bef6462d135b748f58f8c2645c60234482f52.1584904896.git.mh12gx2825@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Create a new 'status' variable to store the value of a long argument
that goes over 80 characters. The status variable is also used for
an if check. Replacing that long statement in both places makes the
code much easier to read.
Note: the status variable is assigned after a needed byte order
conversion for usbin->rxfrm.desc.status, which uses a reference.
Issue reported by checkpatch.
Suggested-by: Stefano Brivio <sbrivio@redhat.com>
Signed-off-by: John B. Wyatt IV <jbwyatt4@gmail.com>
Reviewed-by: Stefano Brivio <sbrivio@redhat.com>
Link: https://lore.kernel.org/r/20200321225808.2494564-1-jbwyatt4@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Dropping a user-defined pr_warn() and using the kernel
message printing functions implemented in <linux/printk.h>.
Since both have the same functionality, using the standard
kernel functions is better.
Signed-off-by: Sam Muhammed <jane.pnx9@gmail.com>
Reviewed-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Link: https://lore.kernel.org/r/20200322143322.29098-1-jane.pnx9@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This patch fixes the check reported by checkpatch.pl
for braces {} should be used on all arms of this statement.
Signed-off-by: Simran Singhal <singhalsimran0@gmail.com>
Reviewed-by: Alex Elder <elder@linaro.org>
Link: https://lore.kernel.org/r/20200322173045.GA24700@simran-Inspiron-5558
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Setting up kernel resource 'iomem_resource' for PCI with
addresses parsed from device tree gots into a conflict within
the usb xhci driver:
xhci-mtk 1e1c0000.xhci: can't request region for resource [mem 0x1e1c0000-0x1e1c0fff]
xhci-mtk: probe of 1e1c0000.xhci failed with error -16
Don't assign it and maintain the default addresses for this
resource seems to fix the problem. Checking legacy driver it
is being only setting the 'ioport_resource'.
Fixes: 09dd629eeabb ("staging: mt7621-pci: fix io space and properly set resource limits")
Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Link: https://lore.kernel.org/r/20200322072128.4454-1-sergio.paracuellos@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Remove space after * in pointer declaration to improve code readability
and to adhere to the standard coding style.
Reported by checkpatch.pl
Signed-off-by: Soumyajit Deb <debsoumyajit100@gmail.com>
Link: https://lore.kernel.org/r/20200323054836.48816-3-debsoumyajit100@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This replaces printk(KERN_WARNING ..) with netdev_warn(),
as the use of printk() isn't preferred when
a struct net_device is available.
Signed-off-by: Sam Muhammed <jane.pnx9@gmail.com>
Acked-by: Julia Lawall <julia.lawall@inria.fr>
Link: https://lore.kernel.org/r/20200322115051.2767-1-jane.pnx9@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The ASUS USB-N10 Nano B1 has been reported as a new RTL8188EU device.
Add it to the device tables.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Reported-by: kovi <zraetn@gmail.com>
Cc: Stable <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20200321180011.26153-1-Larry.Finger@lwfinger.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Detection of the Xtal mode is using magic numbers that
can be avoided using properly some definitions and a more
accurate variable name from 'reg' into 'xtal_mode'. This
increase readability.
Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Link: https://lore.kernel.org/r/20200321133624.31388-4-sergio.paracuellos@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Macro builtin_platform_driver can be used for builtin drivers
that don't do anything in driver init. So, use the macro
builtin_platform_driver and remove some boilerplate code.
Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Link: https://lore.kernel.org/r/20200321133624.31388-3-sergio.paracuellos@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Macro builtin_platform_driver can be used for builtin drivers
that don't do anything in driver init. So, use the macro
builtin_platform_driver and remove some boilerplate code.
Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Link: https://lore.kernel.org/r/20200321133624.31388-1-sergio.paracuellos@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Don't let non-letters inside a literal block without escaping it, as
the toolchain would mis-interpret it:
./include/linux/i2c.h:518: WARNING: Inline strong start-string without end-string.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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Disable all rps-irq interrupts during driver initialization to prevent
an accidental interrupt on GIC.
Fixes: 84316f4ef141 ("ARM: boot: dts: Add Oxford Semiconductor OX810SE dtsi")
Fixes: 38d4a53733f5 ("ARM: dts: Add support for OX820 and Pogoplug V3")
Signed-off-by: Sungbo Eo <mans0n@gorani.run>
Acked-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
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There is an inconsistency between PMD and PUD-based THP page table helpers
like the following, as pud_present() does not test for _PAGE_PSE.
pmd_present(pmd_mknotpresent(pmd)) : True
pud_present(pud_mknotpresent(pud)) : False
Drop pud_mknotpresent() as there are no current users. If/when needed
back later, pud_present() will also have to be fixed to accommodate
_PAGE_PSE.
Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Baoquan He <bhe@redhat.com>
Acked-by: Balbir Singh <bsingharora@gmail.com>
Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Link: https://lkml.kernel.org/r/1584925542-13034-1-git-send-email-anshuman.khandual@arm.com
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We need the USB fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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We need the tty fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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We need the staging/iio fixes in here as well
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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'k3_udma_glue_cfg_rx_flow()'
All but one error handling paths in the 'k3_udma_glue_cfg_rx_flow()'
function 'goto err' and call 'k3_udma_glue_release_rx_flow()'.
This not correct because this function has a 'channel->flows_ready--;' at
the end, but 'flows_ready' has not been incremented here, when we branch to
the error handling path.
In order to keep a correct value in 'flows_ready', un-roll
'k3_udma_glue_release_rx_flow()', simplify it, add some labels and branch
at the correct places when an error is detected.
Doing so, we also NULLify 'flow->udma_rflow' in a path that was lacking it.
Fixes: d70241913413 ("dmaengine: ti: k3-udma: Add glue layer for non DMAengine user")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Acked-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Link: https://lore.kernel.org/r/20200318191209.1267-1-christophe.jaillet@wanadoo.fr
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Add myself as the maintainer of HiSilicon DMA engine driver.
Signed-off-by: Zhou Wang <wangzhou1@hisilicon.com>
Link: https://lore.kernel.org/r/1584062624-196854-1-git-send-email-wangzhou1@hisilicon.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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The refcount check for dedicated workqueue (dwq) is off by one and allows
more than 1 user to open the char device. Fix check so only a single user
can open the device.
Fixes: 42d279f9137a ("dmaengine: idxd: add char driver to expose submission portal to userland")
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/158403020187.10208.14117394394540710774.stgit@djiang5-desk3.ch.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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This patch is used to fix the bug in collect_uncached_read_data()
that rc is automatically converted from a signed number to an
unsigned number when the CIFS asynchronous read fails.
It will cause ctx->rc is error.
Example:
Share a directory and create a file on the Windows OS.
Mount the directory to the Linux OS using CIFS.
On the CIFS client of the Linux OS, invoke the pread interface to
deliver the read request.
The size of the read length plus offset of the read request is greater
than the maximum file size.
In this case, the CIFS server on the Windows OS returns a failure
message (for example, the return value of
smb2.nt_status is STATUS_INVALID_PARAMETER).
After receiving the response message, the CIFS client parses
smb2.nt_status to STATUS_INVALID_PARAMETER
and converts it to the Linux error code (rdata->result=-22).
Then the CIFS client invokes the collect_uncached_read_data function to
assign the value of rdata->result to rc, that is, rc=rdata->result=-22.
The type of the ctx->total_len variable is unsigned integer,
the type of the rc variable is integer, and the type of
the ctx->rc variable is ssize_t.
Therefore, during the ternary operation, the value of rc is
automatically converted to an unsigned number. The final result is
ctx->rc=4294967274. However, the expected result is ctx->rc=-22.
Signed-off-by: Yilu Lin <linyilu@huawei.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
CC: Stable <stable@vger.kernel.org>
Acked-by: Ronnie Sahlberg <lsahlber@redhat.com>
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xfstests generic/228 checks if fallocate respect RLIMIT_FSIZE.
After fallocate mode 0 extending enabled, we can hit this failure.
Fix this by check the new file size with vfs helper, return
error if file size is larger then RLIMIT_FSIZE(ulimit -f).
This patch has been tested by LTP/xfstests aginst samba and
Windows server.
Acked-by: Ronnie Sahlberg <lsahlber@redhat.com>
Signed-off-by: Murphy Zhou <jencce.kernel@gmail.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
CC: Stable <stable@vger.kernel.org>
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And add one missing define (COMPRESSION_TRANSFORM_ID) and
flag (TRANSFORM_FLAG_ENCRYPTED)
Signed-off-by: Steve French <stfrench@microsoft.com>
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New transform header structures. See recent updates
to MS-SMB2 adding section 2.2.42.1 and 2.2.42.2
Signed-off-by: Steve French <stfrench@microsoft.com>
Acked-by: Ronnie Sahlberg <lsahlber@redhat.com>
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Additional compression capabilities can now be negotiated and a
new compression algorithm. Add the flags for these.
See newly updated MS-SMB2 sections 3.1.4.4.1 and 2.2.3.1.3
Signed-off-by: Steve French <stfrench@microsoft.com>
Acked-by: Ronnie Sahlberg <lsahlber@redhat.com>
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The current codebase makes use of the zero-length array language
extension to the C90 standard, but the preferred mechanism to declare
variable-length types such as these ones is a flexible array member[1][2],
introduced in C99:
struct foo {
int stuff;
struct boo array[];
};
By making use of the mechanism above, we will get a compiler warning
in case the flexible array does not occur last in the structure, which
will help us prevent some kind of undefined behavior bugs from being
inadvertently introduced[3] to the codebase from now on.
Also, notice that, dynamic memory allocations won't be affected by
this change:
"Flexible array members have incomplete type, and so the sizeof operator
may not be applied. As a quirk of the original implementation of
zero-length arrays, sizeof evaluates to zero."[1]
This issue was found with the help of Coccinelle.
[1] https://gcc.gnu.org/onlinedocs/gcc/Zero-Length.html
[2] https://github.com/KSPP/linux/issues/21
[3] commit 76497732932f ("cxgb3/l2t: Fix undefined behaviour")
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
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Leaving PF_MEMALLOC set when exiting a kthread causes it to remain set
during do_exit(). That can confuse things. For example, if BSD process
accounting is enabled and the accounting file has FS_SYNC_FL set and is
located on an ext4 filesystem without a journal, then do_exit() can end
up calling ext4_write_inode(). That triggers the
WARN_ON_ONCE(current->flags & PF_MEMALLOC) there, as it assumes
(appropriately) that inodes aren't written when allocating memory.
This was originally reported for another kernel thread, xfsaild() [1].
cifs_demultiplex_thread() also exits with PF_MEMALLOC set, so it's
potentially subject to this same class of issue -- though I haven't been
able to reproduce the WARN_ON_ONCE() via CIFS, since unlike xfsaild(),
cifs_demultiplex_thread() is sent SIGKILL before exiting, and that
interrupts the write to the BSD process accounting file.
Either way, leaving PF_MEMALLOC set is potentially problematic. Let's
clean this up by properly saving and restoring PF_MEMALLOC.
[1] https://lore.kernel.org/r/0000000000000e7156059f751d7b@google.com
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
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The current codebase makes use of the zero-length array language
extension to the C90 standard, but the preferred mechanism to declare
variable-length types such as these ones is a flexible array member[1][2],
introduced in C99:
struct foo {
int stuff;
struct boo array[];
};
By making use of the mechanism above, we will get a compiler warning
in case the flexible array does not occur last in the structure, which
will help us prevent some kind of undefined behavior bugs from being
inadvertently introduced[3] to the codebase from now on.
Also, notice that, dynamic memory allocations won't be affected by
this change:
"Flexible array members have incomplete type, and so the sizeof operator
may not be applied. As a quirk of the original implementation of
zero-length arrays, sizeof evaluates to zero."[1]
This issue was found with the help of Coccinelle.
[1] https://gcc.gnu.org/onlinedocs/gcc/Zero-Length.html
[2] https://github.com/KSPP/linux/issues/21
[3] commit 76497732932f ("cxgb3/l2t: Fix undefined behaviour")
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
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The warning we print on mount about how to use less secure dialects
(when the user does not specify a version on mount) is useful
but is noisy to print on every default mount, and can be changed
to a warn_once. Slightly updated the warning text as well to note
SMB3.1.1 which has been the default which is typically negotiated
(for a few years now) by most servers.
"No dialect specified on mount. Default has changed to a more
secure dialect, SMB2.1 or later (e.g. SMB3.1.1), from CIFS
(SMB1). To use the less secure SMB1 dialect to access old
servers which do not support SMB3.1.1 (or even SMB3 or SMB2.1)
specify vers=1.0 on mount."
Signed-off-by: Steve French <stfrench@microsoft.com>
Acked-by: Ronnie Sahlberg <lsahlber@redhat.com>
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fix warning [-Wunused-but-set-variable] at variable 'rc',
keeping the code readable.
Signed-off-by: Qiujun Huang <hqjagain@gmail.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
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Since commit d0677992d2af ("cifs: add support for flock") added
support for flock, LTP/flock03[1] testcase started to fail.
This testcase is testing flock lock and unlock across fork.
The parent locks file and starts the child process, in which
it unlock the same fd and lock the same file with another fd
again. All the lock and unlock operation should succeed.
Now the child process does not actually unlock the file, so
the following lock fails. Fix this by allowing flock and OFD
lock go through the unlock routine, not skipping if the unlock
request comes from another process.
Patch has been tested by LTP/xfstests on samba and Windows
server, v3.11, with or without cache=none mount option.
[1] https://github.com/linux-test-project/ltp/blob/master/testcases/kernel/syscalls/flock/flock03.c
Signed-off-by: Murphy Zhou <jencce.kernel@gmail.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Acked-by: Pavel Shilovsky <pshilov@microsoft.com>
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See commit 349457ccf2592c14bdf13b6706170ae2e94931b1
"Allow file systems to manually d_move() inside of ->rename()"
Lessens possibility of race conditions in rename
Signed-off-by: Steve French <stfrench@microsoft.com>
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allows SMB2_open() callers to pass down a POSIX data buffer that will
trigger requesting POSIX create context and parsing the response into
the provided buffer.
Signed-off-by: Aurelien Aptel <aaptel@suse.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Reviewed-by: Paulo Alcantara (SUSE) <pc@cjr.nz>
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* add code to request POSIX info level
* parse dir entries and fill cifs_fattr to get correct inode data
since the POSIX payload is variable size the number of entries in a
FIND response needs to be computed differently.
Dirs and regular files are properly reported along with mode bits,
hardlink number, c/m/atime. No special files yet (see below).
Current experimental version of Samba with the extension unfortunately
has issues with wildcards and needs the following patch:
> --- i/source3/smbd/smb2_query_directory.c
> +++ w/source3/smbd/smb2_query_directory.c
> @@ -397,9 +397,7 @@ smbd_smb2_query_directory_send(TALLOC_CTX
> *mem_ctx,
> }
> }
>
> - if (!state->smbreq->posix_pathnames) {
> wcard_has_wild = ms_has_wild(state->in_file_name);
> - }
>
> /* Ensure we've canonicalized any search path if not a wildcard. */
> if (!wcard_has_wild) {
>
Also for special files despite reporting them as reparse point samba
doesn't set the reparse tag field. This patch will mark them as needing
re-evaluation but the re-evaluate code doesn't deal with it yet.
Signed-off-by: Aurelien Aptel <aaptel@suse.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
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* add new info level and structs for SMB2 posix extension
* add functions to parse and validate it
Signed-off-by: Aurelien Aptel <aaptel@suse.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
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little progress on the posix create response.
* rename struct to create_posix_rsp to match with the request
create_posix context
* make struct packed
* pass smb info struct for parse_posix_ctxt to fill
* use smb info struct as param
* update TODO
What needs to be done:
SMB2_open() has an optional smb info out argument that it will fill.
Callers making use of this are:
- smb3_query_mf_symlink (need to investigate)
- smb2_open_file
Callers of smb2_open_file (via server->ops->open) are passing an
smbinfo struct but that struct cannot hold POSIX information. All the
call stack needs to be changed for a different info type. Maybe pass
SMB generic struct like cifs_fattr instead.
Signed-off-by: Aurelien Aptel <aaptel@suse.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
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We really, really don't want people using insecure dialects
unless they realize what they are doing ...
Add mount warning if mounting with vers=1.0 (older SMB1/CIFS
dialect) instead of the default (SMB2.1 or later, typically
SMB3.1.1).
Signed-off-by: Steve French <stfrench@microsoft.com>
Acked-by: Ronnie Sahlberg <lsahlber@redhat.com>
Acked-by: Pavel Shilovsky <pshilov@microsoft.com>
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There are cases when we don't want to send the SMB2 flush operation
(e.g. when user specifies mount parm "nostrictsync") and it can be
a very expensive operation on the server. In most cases in order
to set mtime, we simply need to flush (write) the dirtry pages from
the client and send the writes to the server not also send a flush
protocol operation to the server.
Fixes: aa081859b10c ("cifs: flush before set-info if we have writeable handles")
CC: Stable <stable@vger.kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
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cap_unix(ses) defaults to false for SMB2.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com>
Reviewed-by: Aurelien Aptel <aaptel@suse.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
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mod_delayed_work() is safer than queue_delayed_work() if there's a
chance that the work is already in the queue.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
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This means it's consistently called and the callers don't need to
care about it.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
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For the case where we have a DFS path like below and we're currently
connected to targetA:
//dfsroot/link -> //targetA/share/foo, //targetB/share/bar
after failover, we should make sure to update cifs_sb->prepath so the
next operations will use the new prefix path "/bar".
Besides, in order to simplify the use of different prefix paths,
enforce CIFS_MOUNT_USE_PREFIX_PATH for DFS mounts so we don't have to
revalidate the root dentry every time we set a new prefix path.
Signed-off-by: Paulo Alcantara (SUSE) <pc@cjr.nz>
Acked-by: Ronnie Sahlberg <lsahlber@redhat.com>
Reviewed-by: Aurelien Aptel <aaptel@suse.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
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