commit 4096953054ad4369774f9dadc125ef7a57bb9ed0
author Joe Carnuccio <joe.carnuccio@qlogic.com> Thu Sep 25 05:16:39 2014 -0400
committer Christoph Hellwig <hch@lst.de> Thu Sep 25 14:25:02 2014 +0200
tree 6875553b70d086818419b26cc7bccf77e7468fa8
parent 98aee70d19a7e3203649fa2078464e4f402a0ad8

qla2xxx: ISP25xx multiqueue shadow register crash fix.

When creating request/response queues from qla25xx_setup_mode(),
the shadow index register pointers were not being initialized
to point at the registers.

Signed-off-by: Joe Carnuccio <joe.carnuccio@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>

drivers/scsi/qla2xxx/qla_mid.c

diff --git a/drivers/scsi/qla2xxx/qla_mid.c b/drivers/scsi/qla2xxx/qla_mid.c
index 8999824..5c2e031 100644
--- a/drivers/scsi/qla2xxx/qla_mid.c
+++ b/drivers/scsi/qla2xxx/qla_mid.c
@@ -702,6 +702,7 @@
 	req->req_q_in = &reg->isp25mq.req_q_in;
 	req->req_q_out = &reg->isp25mq.req_q_out;
 	req->max_q_depth = ha->req_q_map[0]->max_q_depth;
+	req->out_ptr = (void *)(req->ring + req->length);
 	mutex_unlock(&ha->vport_lock);
 	ql_dbg(ql_dbg_multiq, base_vha, 0xc004,
 	    "ring_ptr=%p ring_index=%d, "
@@ -811,6 +812,7 @@
 	reg = ISP_QUE_REG(ha, que_id);
 	rsp->rsp_q_in = &reg->isp25mq.rsp_q_in;
 	rsp->rsp_q_out = &reg->isp25mq.rsp_q_out;
+	rsp->in_ptr = (void *)(rsp->ring + rsp->length);
 	mutex_unlock(&ha->vport_lock);
 	ql_dbg(ql_dbg_multiq, base_vha, 0xc00b,
 	    "options=%x id=%d rsp_q_in=%p rsp_q_out=%p",