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authorHimanshu Madhani <himanshu.madhani@qlogic.com>2016-03-14 22:47:37 -0700
committerNicholas Bellinger <nab@linux-iscsi.org>2016-03-22 00:23:08 -0700
commit5e47f1985d7107331c3f64fb3ec83d66fd73577e (patch)
tree474a8c19f19580200ace94002d8d2ced2a8c4a2d /Documentation
parent4347ab5a086efcba449e7a6f0a14d1474060006b (diff)
target: Fix target_release_cmd_kref shutdown comp leak
This patch fixes an active I/O shutdown bug for fabric drivers using target_wait_for_sess_cmds(), where se_cmd descriptor shutdown would result in hung tasks waiting indefinitely for se_cmd->cmd_wait_comp to complete(). To address this bug, drop the incorrect list_del_init() usage in target_wait_for_sess_cmds() and always complete() during se_cmd target_release_cmd_kref() put, in order to let caller invoke the final fabric release callback into se_cmd->se_tfo->release_cmd() code. Reported-by: Himanshu Madhani <himanshu.madhani@qlogic.com> Tested-by: Himanshu Madhani <himanshu.madhani@qlogic.com> Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com> Cc: stable@vger.kernel.org Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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