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authorArun Easi <arun.easi@qlogic.com>2014-09-25 06:14:45 -0400
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-10-30 09:35:10 -0700
commite166c65c41b14aa35a1bd2dcbd4da08958321a3b (patch)
tree7a2634796210dbea9e308fdcaa15716f78eaba14
parente6f0636b610650b66849476f0de8663f9cf5ff15 (diff)
qla2xxx: Use correct offset to req-q-out for reserve calculation
commit 75554b68ac1e018bca00d68a430b92ada8ab52dd upstream. Signed-off-by: Arun Easi <arun.easi@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/scsi/qla2xxx/qla_target.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/drivers/scsi/qla2xxx/qla_target.c b/drivers/scsi/qla2xxx/qla_target.c
index f033b191a022..e6884940d107 100644
--- a/drivers/scsi/qla2xxx/qla_target.c
+++ b/drivers/scsi/qla2xxx/qla_target.c
@@ -1514,12 +1514,10 @@ static inline void qlt_unmap_sg(struct scsi_qla_host *vha,
static int qlt_check_reserve_free_req(struct scsi_qla_host *vha,
uint32_t req_cnt)
{
- struct qla_hw_data *ha = vha->hw;
- device_reg_t __iomem *reg = ha->iobase;
uint32_t cnt;
if (vha->req->cnt < (req_cnt + 2)) {
- cnt = (uint16_t)RD_REG_DWORD(&reg->isp24.req_q_out);
+ cnt = (uint16_t)RD_REG_DWORD(vha->req->req_q_out);
ql_dbg(ql_dbg_tgt, vha, 0xe00a,
"Request ring circled: cnt=%d, vha->->ring_index=%d, "