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    Subject[PATCH 63/77] scsi/lpfc: convert to idr_alloc()
    Date
    Convert to the much saner new idr interface.

    Only compile tested.

    Signed-off-by: Tejun Heo <tj@kernel.org>
    Cc: James Smart <james.smart@emulex.com>
    Cc: linux-scsi@vger.kernel.org
    ---
    drivers/scsi/lpfc/lpfc_init.c | 12 ++++--------
    1 file changed, 4 insertions(+), 8 deletions(-)

    diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
    index 26ca2ef..314b4f6 100644
    --- a/drivers/scsi/lpfc/lpfc_init.c
    +++ b/drivers/scsi/lpfc/lpfc_init.c
    @@ -3165,14 +3165,10 @@ destroy_port(struct lpfc_vport *vport)
    int
    lpfc_get_instance(void)
    {
    - int instance = 0;
    -
    - /* Assign an unused number */
    - if (!idr_pre_get(&lpfc_hba_index, GFP_KERNEL))
    - return -1;
    - if (idr_get_new(&lpfc_hba_index, NULL, &instance))
    - return -1;
    - return instance;
    + int ret;
    +
    + ret = idr_alloc(&lpfc_hba_index, NULL, 0, 0, GFP_KERNEL);
    + return ret < 0 ? -1 : ret;
    }

    /**
    --
    1.8.1


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