[SCSI] libiscsi: disable bh in and abort handler.

The session lock can be held in the scsi eh thread or the completion
paths run from the net softirq. This disables bhs in iscsi_eh_abort when
taking the session lock.

Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>

diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c
index 716cc344c5dfb5253eb5436cd0e19e5fbaa82b66..a751f6230c2258f4e7870391b96330d08e209e5a 100644 (file)
--- a/drivers/scsi/libiscsi.c
+++ b/drivers/scsi/libiscsi.c
@@ -1974,10 +1974,10 @@ int iscsi_eh_abort(struct scsi_cmnd *sc)
                 * good and have never sent us a successful tmf response
                 * then sent more data for the cmd.
                 */
-               spin_lock(&session->lock);
+               spin_lock_bh(&session->lock);
                fail_scsi_task(task, DID_ABORT);
                conn->tmf_state = TMF_INITIAL;
-               spin_unlock(&session->lock);
+               spin_unlock_bh(&session->lock);
                iscsi_start_tx(conn);
                goto success_unlocked;
        case TMF_TIMEDOUT: