From mboxrd@z Thu Jan  1 00:00:00 1970
From: Ian Pilcher <i.pilcher@comcast.net>
Date: Sun, 06 Jun 2004 17:04:38 +0000
Subject: BUG: REMOVER not called for USB unplug
Message-Id: <40C34EA6.2080106@comcast.net>
List-Id: <linux-hotplug.vger.kernel.org>
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To: linux-hotplug@vger.kernel.org

This is a follow-up to the "Run script when USB scanner unplugged"
thread.  I think I have figured out why the REMOVER script is never
called when I unplug my USB scanner.

I believe that the problem is the following part of
/etc/hotplug/usb.agent:

#
# declare a REMOVER name that the add action can use to create a
# remover, or that the remove action can use to execute a remover.
#
if [ "$DEVPATH" != "" ]; then
   # probably, 2.6.x
   REMOVER=/var/run/usb/$(readlink -f $SYSFS/$DEVPATH | sed -e 's;/;%;g')
elif [ "$DEVICE" != "" ]; then
   # 2.4.x?
   REMOVER=/var/run/usb/$(echo $DEVICE | sed -e 's;/;%;g')
else
   # should not happen?
   REMOVER=/var/run/usb/$(echo "$INTERFACE/$PRODUCT/$TYPE" | sed -e 
's;/;%;g')
fi
export REMOVER

Note that if DEVPATH is set, then the sysfs entry is used to determine
the value of REMOVER.  But this entry is already gone when the script is
executed.

Could the call to readlink -f be removed?

-- 
====================================
Ian Pilcher                                        i.pilcher@comcast.net
====================================


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