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Bug #693
closedAdding a non-existent image creates a bad sysfs node
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Description
To reproduce:
echo "10.0.1.247 name=admin rbd doesnotexist" > /sys/bus/rbd/add
/sys/bus/rbd/devices/0 is created:
ls -l /sys/bus/rbd/devices/
total 0
lrwxrwxrwx 1 root root 0 Jan 7 20:01 0 -> ../../../devices/rbd/0
Since this exists, it prevents further images from being added, and accessing an attribute, e.g. `cat /sys/bus/rbd/devices/0/name`, causes a kernel panic.
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