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| author | Nicholas Bellinger <nab@linux-iscsi.org> | 2015-11-05 14:11:59 -0800 |
|---|---|---|
| committer | Nicholas Bellinger <nab@linux-iscsi.org> | 2015-11-28 19:33:08 -0800 |
| commit | ca82c2bded29b38d36140bfa1e76a7bbfcade390 (patch) | |
| tree | 8df7de7ed5135398178fd25d1fd2cebe832100a2 /crypto | |
| parent | 82a819e8fb5f36c2a0e14b92bc820225c484a387 (diff) | |
| download | blackbird-obmc-linux-ca82c2bded29b38d36140bfa1e76a7bbfcade390.tar.gz blackbird-obmc-linux-ca82c2bded29b38d36140bfa1e76a7bbfcade390.zip | |
iscsi-target: Fix rx_login_comp hang after login failure
This patch addresses a case where iscsi_target_do_tx_login_io()
fails sending the last login response PDU, after the RX/TX
threads have already been started.
The case centers around iscsi_target_rx_thread() not invoking
allow_signal(SIGINT) before the send_sig(SIGINT, ...) occurs
from the failure path, resulting in RX thread hanging
indefinately on iscsi_conn->rx_login_comp.
Note this bug is a regression introduced by:
commit e54198657b65625085834847ab6271087323ffea
Author: Nicholas Bellinger <nab@linux-iscsi.org>
Date: Wed Jul 22 23:14:19 2015 -0700
iscsi-target: Fix iscsit_start_kthreads failure OOPs
To address this bug, complete ->rx_login_complete for good
measure in the failure path, and immediately return from
RX thread context if connection state did not actually reach
full feature phase (TARG_CONN_STATE_LOGGED_IN).
Cc: Sagi Grimberg <sagig@mellanox.com>
Cc: <stable@vger.kernel.org> # v3.10+
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Diffstat (limited to 'crypto')
0 files changed, 0 insertions, 0 deletions
