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    Subject[PATCH 3.16 031/127] qla2xxx: Use correct offset to req-q-out for reserve calculation
    Date
    3.16-stable review patch.  If anyone has any objections, please let me know.

    ------------------

    From: Arun Easi <arun.easi@qlogic.com>

    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>

    ---
    drivers/scsi/qla2xxx/qla_target.c | 4 +---
    1 file changed, 1 insertion(+), 3 deletions(-)

    --- a/drivers/scsi/qla2xxx/qla_target.c
    +++ b/drivers/scsi/qla2xxx/qla_target.c
    @@ -1431,12 +1431,10 @@ static inline void qlt_unmap_sg(struct s
    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, "



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