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Fix spelling in docbook comments, code comments, and a local variable
name. Thanks to "ispell -h" for docbook HTML and "scspell" for source
code.
Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
Since gtk-mkhtml is executed in a sub-directory of the build directory, and
make does not know of that, the $(buildir) variable will still be "." and
the $(srcdir) will not properly be found. For this reason, use the absolute
variants for the two functions, which won't be changing.
Since the check-keymaps.sh script checks for validity the source directory
and the Makefile.am file, instead of running it during user-oriented “make
check”, run it during developed-oriented “make distcheck”.
An invalid keymap will abort the execution which will prevent shipping
an incomplete Makefile.am.
To properly support out-of-source builds, pass as single parameter to the
test the path to the source directory.
A little fix is needed for the udev-test.pl script (to be called with the
proper path), but this allows for the test binaries to be only built when
running the tests themselves.
Instead of using multiple recursive Makefile.am files, use a single
Makefile.am that sets and builds all the basic suite of libraries and
binaries for udev. This reduces the number of files in the source tree, and
also reduces drastically the build time when using parallel-make.
With this setup, all the compile steps will be executed in parallel, and
just the linking stage will be (partially) serialised on the libraries
creation.
If by-path / by-id links don't quite do what you want, this is a nice
clean way to extend the behaviour. Real example:
SYMLINK=="serial/by-id/usb-Novatel_Wireless_Inc*CDMA*-if00-port0", \\
SYMLINK+="cellcard"
Some users ask how to do things like this.
- create an additional link with a shorter name
- create a link which matches more loosely
(omit certain path segments e.g. serial numbers)
- change permissions on certain USB device nodes
Allow them to realize this without reading the friendly *.c files.
Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
Dates aren't shown in the manpages. So they are not really useful,
and no-one is going to remember to update them.
"<refmiscinfo class="version"></refmiscinfo>" sounds even less useful.
I leave the unused "title" and "productname" tags. They could
theoretically be useful, and aren't hard to maintain. We just need to
fix the "title" for udevadm.
Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
It did not work for the last couple of releases.
If RUN{record_failed}+="..." is given, a non-zero execution will mark
the event as failed. Recorded failed events can be re-triggered with:
udevadm trigger --type=failed
The failed tracking _might_ be useful for things which might not be
ready to be executed at early bootup, but a bit later when the needed
dependencies are available. In many cases though, it indicates that
something is used in a way it should not.
Exclude digitizers and similar devices from ID_CLASS joystick by
checking modalias for BTN_DIGI.
This was also done for linux kernel joydev interface in linux commit
d07a9cba6be5c0e947afc1014b5a62182a86f1f1.
I have recently been getting the above message on fc11 and
I have traced it down to a bug in util_lookup_group.
As of 145 util_lookup_group reads:
gid_t util_lookup_group(struct udev *udev, const char *group)
{
char *endptr;
int buflen = sysconf(_SC_GETGR_R_SIZE_MAX);
char buf[buflen];
struct group grbuf;
struct group *gr;
gid_t gid = 0;
if (strcmp(group, "root") == 0)
return 0;
gid = strtoul(group, &endptr, 10);
if (endptr[0] == '\0')
return gid;
errno = 0;
getgrnam_r(group, &grbuf, buf, buflen, &gr);
if (gr != NULL)
return gr->gr_gid;
if (errno == 0 || errno == ENOENT || errno == ESRCH)
err(udev, "specified group '%s' unknown\n", group);
else
err(udev, "error resolving group '%s': %m\n", group);
return 0;
}
The errno value from getgrnam_r here is ERANGE which is documented as
"Insufficient buffer space supplied".
When I call get getgrnam_r with a large enough buffer everything
works. Indicating that the problem is that sysconf is returning
a value too small.
A quick google search tells me that sysconf(_S_GETGR_R_SIZE_MAX)
is documented as:
> sysconf(_S_GETGR_R_SIZE_MAX) returns either -1 or a good
> suggested starting value for buflen. It does not return the
> worst case possible for buflen.
In my case I have a group with about 50 users in /etc/group
and that is what triggered the problem in udev and caused
all of the udevs group lookups to fail.
The following patch which dynamically allocates the group member buffer
should fix this problem.
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Generally ALSA control devices should be the last ones to be processed
for ACL changes and similar operations because they can then be used as
indicators that ACL management finished for all device nodes of a
specific card.
This patch simple moves each controlC device behind all the pcmC devices
(and similar).
We must never access random devices in /dev which do not belong to
the event we are handling. Hard-coding /dev/hidrawX, and looping over all
devices is absolutely not acceptable --> hook into hidraw events.
We can not relay on (rather random) properties merged into the parent
device by earlier rules --> use libudev to find the sibling device
with a matching interface.
Libusb does not fit into udev's use case. We never want want to scan
and open() all usb devices in the system, just to find the device
we are already handling the event for --> put all the stupid scanning
into a single function and prepare for a fixed libusb or drop it later.
The keymap table has some holes in it, which caused the interactive mode to
crash for unknown keys. In these cases, print the numeric key code instead.
What's odd is that this is a huawei modem, not an option modem, so one would
expect it to work better with usb_modeswitch and it's -H (huawei) mode - but
that's not the case, I've tested that as well.
https://launchpad.net/bugs/401655
