| Commit message (Collapse) | Author | Age | Files | Lines |
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The difference between two pointers is represented as a ptrdiff_t, use the
correct format specifier when printing to get rid of the following warning
in a 64bit build:
warning: format '%x' expects argument of type 'unsigned int',
but argument 3 has type 'long int' [-Wformat=]
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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partuuids are represented as hexadecimal strings, where case doesn't
matter. barebox formats them as lower case internally, forcing the
partuuid device tree property to be lower case too. Use strcasecmp to
be case-insensitive.
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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ext4fs_get_extent_block() returns a pointer, so return NULL instead of
integer 0.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Adoption of U-Boot commit:
| commit f81db56f2fd6dc16efeaec2961121244765a1f11
| Author: Stefan Brüns <stefan.bruens@rwth-aachen.de>
| Date: Sat Nov 5 22:17:14 2016 +0100
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| ext4: Fix handling of sparse files
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| A sparse file may have regions not mapped by any extents, at the start
| or at the end of the file, or anywhere between, thus not finding a
| matching extent region is never an error.
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| Found by python filesystem tests.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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ext4fs_read_file() tries to tries to bundle contiguous block reads into
longer reads from the device. In barebox we cache in the block layer
already, so this is unnecessary. Simplify the code by removing the
bundled reads.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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When a block we read is a sparse block, we memset the corresponding
output buffer to zero. If that block is the last block we read, we
may not memset the whole block, but only up to the length of the output
buffer, which may be shorter than a full block.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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We have a helper for it. Let's use it.
Signed-off-by: Ahmad Fatoum <ahmad@a3f.at>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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The barebox,environment binding documentation notes following for
the device-path property's second string:
> <partname> can be the label for MTD partitions, the number for DOS
> partitions (beginning with 0) or the name for GPT partitions.
This doesn't work currently because the named partitions are realized as
symlinks and those aren't searched by device_find_partition.
Fix this by having symlinks feature an appropriate partname if the cdev
they link at has one and then have device_find_partition search those as
well.
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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This makes sure that automount points get handled even if the path
doesn't end with a '/'.
Signed-off-by: Robert Karszniewicz <r.karszniewicz@phytec.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Generated by
perl -p -i -e 's/lenghte?/length/' arch/arm/boards/chumby_falconwing/falconwing.c arch/arm/mach-samsung/mem-s3c64xx.c fs/ext4/ext_common.h lib/gui/lodepng.c include/jtag.h
There is another instance in dts/Bindings/usb/s3c2410-usb.txt, this is
fixed in Linux v5.3-rc1 so supposed to be fixed soon in barebox, too.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Currently a negative dentry is cached whenever a non-existing file was
looked up over TFTP. Short of a barebox reset, there is no way to
invalidate that dentry, so barebox retries the look up.
Fix this by always reporting TFTP dentries as invalid in the d_revalidate
callback.
Signed-off-by: Ahmad Fatoum <ahmad@a3f.at>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Networked file systems may wish to forego dentry caching altogether, so
every lookup goes over the network and stale data is avoided.
Provide a no_revalidate_d_ops helper object that does this.
Signed-off-by: Ahmad Fatoum <ahmad@a3f.at>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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<fs.h> is included again a few lines prior. Delete it here.
Signed-off-by: Ahmad Fatoum <ahmad@a3f.at>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Trying to output a single character via
echo -a /dev/serial0-1
currently results in garbage output after the newline, because console.c's
fops_write discards the buffer length and passes the buffer to
(struct cdev)::puts which only handles NUL-terminated strings.
Fix this by amending (struct cdev)::puts with a new nbytes parameter,
which is correctly propagated. All this functions now return at most the
nbytes parameter they were passed in. This fixes __console_puts, which
used to count new lines twice in its return value.
Fixes: b4f55fcf35 ("console: expose consoles in devfs")
Cc: Bastian Krause <bst@pengutronix.de>
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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The code has been sitting commented out in version control for close
to 7 years now, drop it.
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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disk_read returns a DRESULT, not enum filetype. Change the return value
appropriately.
Signed-off-by: Ahmad Fatoum <ahmad@a3f.at>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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nfs_readlink_req() interprets a 32bit value directly received from the
network as length argument to memcpy() without any boundary checking.
Clamp the copy size at the end of the incoming packet.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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pstore_info->write() is unused, remove the code implementing it.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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With this pstore only captures barebox log messages printed with pr_*
and dev_*, but no longer anything printed with printf and friends.
When capturing the barebox output with pstore only the log messages are
of interest, but not the ones printed with printf and certainly not
the things typed interactively on the command line. These are logged
currently because we register pstore as a barebox console. Instead, hook
into pr_puts which only outputs the barebox log messages.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Add a driver working on top of ubootvar device and exposing U-Boot
environment variable data as files.
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Cory Tusar <cory.tusar@zii.aero>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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This adds UBIFS authentication support. For now, we do not do
any authentication even on authenticated UBIFS images. Since
this behaviour is not what the user normally expects when mounting
authenticated images we only do this when the user explicitly allows
it in "global.ubifs.allow_authenticated_unauthenticated". If the
flag is false then we refuse mounting such an image and return -EPERM
instead.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Currently we send a rpc message without checking if the send was
succesful and poll for a answer from the server. If the server didn't
answer within the NFS_TIMEOUT window we send the package again. In case
the package send wasn't successful we always run in that timeout. This
gets even worse if the package send fails more than one time.
Check if the package send was successful and resend the package if it
wasn't to fix this behaviour.
Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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squashfs_lookup_next() isn't used in the tree. Remove it.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Many functions are only used locally but still are globally visible.
Make these function static. Avoids warnings generated with -Wmissing-prototypes
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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The FS_PSTORE_RAMOOPS_RO configuration option keeps barebox from zapping
(clearing and fixing header ecc) all ramoops buffers on initialization.
It also stops barebox from zapping invalid buffers. This causes issues
when the console writing code tries to use the uninitialized, invalid
console buffer. Therefore, allow barebox to zap invalid buffers, the
kernel will do so anyway if it finds broken buffers during its
initialization.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Instead of setting ramoops module parameters on the kernel command line,
add a /reserved-memory/ramoops node to the device tree via of_fixup.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Documentation-added-by: Juergen Borleis <jbe@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Similar to the pstore_info read() callback, there were too many arguments.
This switches to the new struct pstore_record pointer instead. This adds
"reason" and "part" to the record structure as well.
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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The argument list for the pstore_read() interface is unwieldy. This changes
passes the new struct pstore_record instead. The erst backend was already
doing something similar internally.
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Instead of the long list of arguments, just pass the new record struct.
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Add support for writing console messages to pstore.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Documentation-added-by: Juergen Borleis <jbe@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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The read/mkfile pair pass the same arguments and should be cleared
between calls. Move to a structure and wipe it after every loop.
Signed-off-by: Kees Cook <keescook@chromium.org>
[p.zabel@pengutronix.de: ported to Barebox from Linux commit 9abdcccc3d5f]
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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When ramoops reserved a memory region in the kernel, it had an unhelpful
label of "persistent ram". When reading iomem, it would be repeated many
times, did not hint that it was ramoops in particular, and didn't
clarify very much about what each was used for:
0x4fdd4000 - 0x4fdf3fff (size 0x00020000) persistent ram
0x4fdf4000 - 0x4fe13fff (size 0x00020000) persistent ram
...
0x4ff74000 - 0x4ff93fff (size 0x00020000) persistent ram
0x4ff94000 - 0x4ffb3fff (size 0x00020000) persistent ram
0x4ffb4000 - 0x4ffd3fff (size 0x00020000) persistent ram
Instead, this adds meaningful labels for how the various regions are
being used:
0x4fdd4000 - 0x4fdf3fff (size 0x00020000) ramoops:dump(0/12)
0x4fdf4000 - 0x4fe13fff (size 0x00020000) ramoops:dump(1/12)
...
0x4ff74000 - 0x4ff93fff (size 0x00020000) ramoops:console
0x4ff94000 - 0x4ffb3fff (size 0x00020000) ramoops:ftrace
0x4ffb4000 - 0x4ffd3fff (size 0x00020000) ramoops:pmsg
Signed-off-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Joel Fernandes (Google) <joel@joelfernandes.org>
[p.zabel@pengutronix.de: ported to Barebox from Linux commit 1227daa43bce]
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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When setting ramoops record sizes, sometimes it's not clear which
parameters contributed to the allocation failure. This adds a per-zone
name and expands the failure reports.
Signed-off-by: Kees Cook <keescook@chromium.org>
[p.zabel@pengutronix.de: ported to Barebox from Linux commit c443a5f3f1f1]
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Instead of using a stack VLA for the parity workspace, preallocate a
memory region. The preallocation is done to keep from needing to perform
allocations during crash dump writing, etc. This also fixes a missed
release of librs on free.
Signed-off-by: Kees Cook <keescook@chromium.org>
[p.zabel@pengutronix.de: ported to Barebox from Linux commit f2531f1976d9]
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Currently ramoops_init_przs() is hard wired only for panic dump zone
array. In preparation for the ftrace zone array (one zone per-cpu) and pmsg
zone array, make the function more generic to be able to handle this case.
Heavily based on similar work from Joel Fernandes.
Signed-off-by: Kees Cook <keescook@chromium.org>
[p.zabel@pengutronix.de: ported to Barebox from Linux commit de83209249d6]
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Instead of a ramoops-specific node, use a child node of /reserved-memory.
This requires that of_platform_device_create() be explicitly called
for the node, though, since "/reserved-memory" does not have its own
"compatible" property.
Suggested-by: Rob Herring <robh@kernel.org>
Signed-off-by: Kees Cook <keescook@chromium.org>
Acked-by: Rob Herring <robh@kernel.org>
[p.zabel@pengutronix.de: ported to Barebox from Linux commit 529182e204db]
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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ramoops is one of the remaining places where ARM vendors still rely on
board-specific shims. Device Tree lets us replace those shims with
generic code.
These bindings mirror the ramoops module parameters, with two small
differences:
(1) dump_oops becomes an optional "no-dump-oops" property, since ramoops
sets dump_oops=1 by default.
(2) mem_type=1 becomes the more self-explanatory "unbuffered" property.
Signed-off-by: Greg Hackmann <ghackmann@google.com>
[fixed platform_get_drvdata() crash, thanks to Brian Norris]
[switched from u64 to u32 to simplify code, various whitespace fixes]
[use dev_of_node() to gain code-elimination for CONFIG_OF=n]
Signed-off-by: Kees Cook <keescook@chromium.org>
[p.zabel@pengutronix.de: ported to Barebox from Linux commit 35da60941e44]
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Switch to a device driver probed from device tree if CONFIG_OFTREE is
enabled. Also switch from postcore_initcall to device_initcall, to make
sure that memory banks have been initialized before request_sdram_region
is called.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Based on Linux commit 8636a1f9677db4f883f29a072f401303acfc2edd
This will be needed when you sync Kconfig with Linux 5.0 or later.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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There's already an early exit statement triggered by "inode" being
NULL. Drop an extra check that will always be true.
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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This variable doesn't appear to be used anywhere in the code. Drop it.
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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