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qla2xxx: Use correct offset to req-q-out for reserve calculation

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Cc: <stable@vger.kernel.org>
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>
This commit is contained in:
Arun Easi 2014-09-25 06:14:45 -04:00 committed by Christoph Hellwig
parent 78c2106a50
commit 75554b68ac
1 changed files with 1 additions and 3 deletions
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4
drivers/scsi/qla2xxx/qla_target.c
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@ -1431,12 +1431,10 @@ 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, "