diff options
| author | Steve Hodgson <steve@purestorage.com> | 2012-10-31 10:24:02 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-11-17 13:15:55 -0800 |
| commit | bfc5de3bc907e97b9aabce6d6517a55d5ed6d791 (patch) | |
| tree | 9b18db8668193c999e607f89be27d619d46bfcaf | |
| parent | 7f83bc1f1bff2e9b89b3a505750b067f0073fe5c (diff) | |
target: Fix incorrect usage of nested IRQ spinlocks in ABORT_TASK path
commit ab74b3d62f05192bf8fb8f169e7999d1183b2e08 upstream.
This patch changes core_tmr_abort_task() to use spin_lock -> spin_unlock
around se_cmd->t_state_lock while spin_lock_irqsave is held via
se_sess->sess_cmd_lock.
Signed-off-by: Steve Hodgson <steve@purestorage.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/target/target_core_tmr.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/target/target_core_tmr.c b/drivers/target/target_core_tmr.c index f015839aef89..4a5c6d758c47 100644 --- a/drivers/target/target_core_tmr.c +++ b/drivers/target/target_core_tmr.c @@ -140,15 +140,15 @@ void core_tmr_abort_task( printk("ABORT_TASK: Found referenced %s task_tag: %u\n", se_cmd->se_tfo->get_fabric_name(), ref_tag); - spin_lock_irq(&se_cmd->t_state_lock); + spin_lock(&se_cmd->t_state_lock); if (se_cmd->transport_state & CMD_T_COMPLETE) { printk("ABORT_TASK: ref_tag: %u already complete, skipping\n", ref_tag); - spin_unlock_irq(&se_cmd->t_state_lock); + spin_unlock(&se_cmd->t_state_lock); spin_unlock_irqrestore(&se_sess->sess_cmd_lock, flags); goto out; } se_cmd->transport_state |= CMD_T_ABORTED; - spin_unlock_irq(&se_cmd->t_state_lock); + spin_unlock(&se_cmd->t_state_lock); list_del_init(&se_cmd->se_cmd_list); kref_get(&se_cmd->cmd_kref); |