Yan Burman d054d4a77a isert: Fix case when iscsid is not able to handle login request on time or at all
In some cases, iscsi-scstd chooses to close the connection device and abort the connection.
This can cause invalid device state due to order of isert_conn_dev cleanup and disconnect handling.
Make sure we release isert_conn_dev only after we received disconnect event, or we passed the connection
to the kernel. This also fixes an issue if iscsi-scstd is run on very CPU intensive load and it does not receive
CPU time to serve the login requests. This may get to the extreme of initiator disconnecting before iscsi-scstd
had the chance to handle the login request.

Signed-off-by: Yan Burman <yanb@mellanox.com>

git-svn-id: http://svn.code.sf.net/p/scst/svn/branches/iser@5318 d57e44dd-8a1f-0410-8b47-8ef2f437770f
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This is the SCST development repository. It contains not a single
project SCST as one can think, but a number of them, which are divided
as the following:

1. SCST core in scst/ subdirectory

2. Administration utility for SCST core scstadmin in scstadmin/

3. Target drivers in own subdirectories qla2x00t/, iscsi-scst/, etc.

4. User space programs in usr/ subdirectory, like fileio_tgt.

5. Some various docs in doc/ subdirectory.

Those subprojects are in most cases independent from each other,
although some of them depend from the SCST core. They put in the single
repository only to simplify their development, they are released
independently.

Thus, use "make all" only if you really need to build everything.
Otherwise build only what you need, like for iSCSI-SCST:

make scst scst_install iscsi iscsi_install

For more information about each subproject see their README files.

Vladislav Bolkhovitin <vst@vlnb.net>, http://scst.sourceforge.net
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