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Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
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Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
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Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
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\U unicode literals
We simply recode them in utf8.
Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
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Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
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There's no reason to eat up ENOENT, it should be OK to simply report the
error back.
Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
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Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
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Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
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mount point
Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
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Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
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We _always_ return NULL from destructors to allow direct assignments to
the variable holding the object. Especially on hashmaps, which treat NULL
as empty hashmap, this is pretty neat.
Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
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Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
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Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
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Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
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All callers look at the return value anyway.
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We always return NULL/invalid-object from destructors, fix strv_free() to
do the same.
Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
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- No need to add "Error, " prefix, we already have that as metadata.
- Also use double quotes for path names, as in most other places.
- Remove stray newline at end of message.
- Downgrade error messages after which we continue to warnings.
Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
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udev uses inotify to implement a scheme where when the user closes
a writable device node, a change uevent is forcefully generated.
In the case of block devices, it actually requests a partition rescan.
This currently can't be synchronized with "udevadm settle", i.e. this
is not reliable in a script:
sfdisk --change-id /dev/sda 1 81
udevadm settle
mount /dev/sda1 /foo
The settle call doesn't synchronize there, so at the same time we try
to mount the device, udevd is busy removing the partition device nodes and
readding them again. The mount call often happens in that moment where the
partition node has been removed but not readded yet.
This exact issue was fixed long ago:
http://git.kernel.org/cgit/linux/hotplug/udev.git/commit/?id=bb38678e3ccc02bcd970ccde3d8166a40edf92d3
but that fix is no longer valid now that sequence numbers are no longer
used.
Fix this by forcing another mainloop iteration after handling inotify events
before unblocking settle. If the inotify event caused us to generate a
"change" event, we'll pick that up in the following loop iteration, before
we reach the end of the loop where we respond to settle's control message,
unblocking it.
Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
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Commit 9ea28c55a2 (udev: remove seqnum API and all assumptions about
seqnums) introduced a regresion, ignoring the timeout option when
waiting until the event queue is empty.
Previously, if the udev event queue was not empty when the timeout was
expired, udevadm settle was returning with exit code 1. To check if the
queue is empty, you could invoke udevadm settle with timeout=0. This
patch restores the previous behavior.
(David: fixed timeout==0 handling and dropped redundant assignment)
Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
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Parse properties in the form
EVDEV_ABS_00="<min>:<max>:<res>:<fuzz>:<flat>"
and apply them to the kernel device. Future processes that open that device
will see the updated EV_ABS range.
This is particularly useful for touchpads that don't provide a resolution in
the kernel driver but can be fixed up through hwdb entries (e.g. bcm5974).
All values in the property are optional, e.g. a string of "::45" is valid to
set the resolution to 45.
The order intentionally orders resolution before fuzz and flat despite it
being the last element in the absinfo struct. The use-case for setting
fuzz/flat is almost non-existent, resolution is probably the most common case
we'll need.
To avoid multiple hwdb invocations for the same device, replace the
hwdb "keyboard:" prefix with "evdev:" and drop the separate 60-keyboard.rules
file. The new 60-evdev.rules is called for all event nodes
anyway, we don't need a separate rules file and second callout to the hwdb
builtin.
Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
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No functional changes, just to make the next patch easier to review
Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
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No changes in the mapping, but previously we opened the device only on
successful parsing. Now we open the mapping as soon as we have a value that
looks interesting. Since errors are supposed to be the exception, not the
rule, this is probably fine.
Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
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Rather than building a map and looping through the map, immediately call the
ioctl when we have a successfully parsed property.
This has a side-effect: before the maximum number of ioctls was limited to the
size of the map (1024), now it is unlimited.
Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
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No point parsing the properties if we can't get the devnode to apply them
later. Plus, this makes future additions easier to slot in.
Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
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input_id already (tries to) tag accelerometers as such, but this only works
for absolute accelerometers. Recent kernels mark accelerometers through an
input prop. Trust that prop and always tag devices with it with
ID_INPUT_ACCELEROMETER.
Note that detection by the prop bit works the same as the existing detection
and will ensure that no other tags get set on the device.
Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
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Also referred to as trackpoint, trackstick. These are marked by recent kernels
through an input prop. Forward that prop as udev property so userspace can
easily determine whether there is a pointing stick present.
These devices were previously marked as ID_INPUT_MOUSE, for backwards
compatibility we keep that in place, the new property is an addition.y
Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
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Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
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The dev_port concept is a bit confusing, expand on the comment a bit.
Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
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I'd argue that having firmware labels for such devices makes
no sense, but they exist, so make sure we handle them as best
as we can.
Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
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In case pci_slot overflows we were truncating pci_path instead.
Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
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also removes this warning:
src/udev/cdrom_id/cdrom_id.c: In function ‘cd_media_info.isra.13’:
src/udev/cdrom_id/cdrom_id.c:612:12: warning: assuming signed overflow
does not occur when assuming that (X + c) >= X is always true
[-Wstrict-overflow]
static int cd_media_info(struct udev *udev, int fd)
^
Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
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Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
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Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
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Initialisers for anonymous unions are unknown to gcc-4.5, which is still
quite widely used.
See the following build failure, reported by the Buildroot autobuilders:
http://autobuild.buildroot.org/results/11e/11ebb926b891862e270b9cb39fd2ed4344b736a8/build-end.log
This reverts commit 5cb98078479d93e25099c1cb73fa9c46aa9ccf29.
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Cc: Tom Gundersen <teg@jklm.no>
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Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
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Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
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... and make path_equal() a simple wrapper around it.
Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
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Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
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This allows set_action(), read_uevent_file() and read_db() to be made internal to libudev.
Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
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Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
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If you've got SELinux policy loaded, label_hnd is your labeling handle.
When systemd is shutting down, we free that handle via mac_selinux_finish().
But: switch_root() calls mkdir_p_label(), which tries to look up a label
using that freed handle, and so we get a bunch of garbage and eventually
SEGV in libselinux.
(This doesn't happen in the switch-root from initramfs to real root because
there's no SELinux policy loaded in initramfs, so label_hnd is NULL and we
never attempt any lookups.)
So: make sure that mac_selinux_finish() actually sets label_hnd to NULL, so
nobody tries to use it after it becomes invalid.
https://bugzilla.redhat.com/show_bug.cgi?id=1185604
Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
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It certainly is everywhere on Linux, but as a courtesy
to people doing some strange cross-compilation, check
that the assumption holds.
Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
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Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
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it is ironic that
"The only purpose of this structure is to cast the structure pointer
passed in addr in order to avoid compiler warnings. See EXAMPLE below."
from bind(2)
Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
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Udev debug messages have to be significantly overhauled... For now
just downgrade those two. They are responsible for approximately 25%
of debug output during boot and are rather useless.
Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
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The data comes from the kernel, so chances of it being
garbled are low, but for correctness' sake, add the check.
CID #996458.
Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
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Instead introduce ensure_usec_initialized(), which copies the timestamp if possible otherwise
sets it to now(CLOCK_MONOTONIC).
Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
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path_is_mount_point() compares the mount_id of a directory and the
mount_id of the parent directory. When following symlinks, the function
to get the parent directory does not take the symlink into account.
/bin -> /usr/bin with /usr being a mountpoint:
mount_id of /bin with AT_SYMLINK_FOLLOW != mount_id of /
Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
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The information in the db is stale, so it does not make sense to
expose it any longer. Also, don't drop the kernel event, but simply
pass it on to userspace without ammending it.
Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
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