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Don't try to read it again.
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asprintf() does not set errno.
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If for whatever reason there was nothing to load or loading failed, don't keep trying.
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Only 'real' devices are required to have an uevent file.
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This reverts b67f944. Lazy loading of device properties does not work for devices
that are received over netlink, as these are sealed. Reinstate the unconditional
loading of the device db.
Reported by: Mantas Mikulėnas <grawity@gmail.com>.
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device
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sd_device_new_from_* now returns -ENODEV when the device does not exist, and the enumerator
silently drops these errors as missing devices is exepected.
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Right now, we always drop the last character of all values we write to
sysfs. Fix this!
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This was getting leaked as a copy was added to the hashmap, simply add the
returned value instead.
This should fix CID #1292806.
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sysnum would not be initialized if sysname had no trailing digits.
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This provides equivalent functionality to libudev-device, but in the
systemd style. The public API only caters to creating sd_device objects
from for devices that already exist in /sys, there is no support for
listening for monitoring events or creating devices received over
the udev netlink protocol.
The private API contains the necessary functionality to make sd-device
a drop-in replacement for libudev-device, but which we would not
otherwise want to export.
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