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authorNicholas Bellinger <nab@linux-iscsi.org>2012-02-13 02:35:01 -0800
committerNicholas Bellinger <nab@linux-iscsi.org>2012-02-25 14:37:49 -0800
commitffc32d5259d107a3aa1b822e22f20b69cb9ec0a5 (patch)
tree770ec5b87b91c9c1bc7edd76c8a1535259424696 /drivers/target
parent86715569d085addc635c2b55ee8acb79d3a7fbbf (diff)
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target: Make target_release_cmd_kref release on empty list
This patch changes target_release_cmd_kref() to make TFO->release_cmd() call when list_empty(&se_cmd->se_cmd_list) is TRUE. This is required for TMR_ABORT_TASK operation where the referenced tag descriptor may have already been pulled of the session command list. Reported-by: Roland Dreier <roland@purestorage.com> Cc: Christoph Hellwig <hch@lst.de> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Diffstat (limited to 'drivers/target')
-rw-r--r--drivers/target/target_core_transport.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c
index c6b8b8233399..52a66710a293 100644
--- a/drivers/target/target_core_transport.c
+++ b/drivers/target/target_core_transport.c
@@ -4051,7 +4051,7 @@ static void target_release_cmd_kref(struct kref *kref)
spin_lock_irqsave(&se_sess->sess_cmd_lock, flags);
if (list_empty(&se_cmd->se_cmd_list)) {
spin_unlock_irqrestore(&se_sess->sess_cmd_lock, flags);
- WARN_ON(1);
+ se_cmd->se_tfo->release_cmd(se_cmd);
return;
}
if (se_sess->sess_tearing_down && se_cmd->cmd_wait_set) {