[SCSI] qla2xxx: Remove a dead assignment in qla24xx_build_scsi_crc_2_iocbs().

Since the value of cur_seg is not used and since scsi_prot_sglist()
has no side effects it is safe to remove the statement
"cur_seg = scsi_port_sglist(cmd)". Detected by Coverity.

Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>

diff --git a/drivers/scsi/qla2xxx/qla_iocb.c b/drivers/scsi/qla2xxx/qla_iocb.c
index 9de372f..42ef481 100644 (file)
--- a/drivers/scsi/qla2xxx/qla_iocb.c
+++ b/drivers/scsi/qla2xxx/qla_iocb.c
@@ -1189,7 +1189,6 @@ qla24xx_build_scsi_crc_2_iocbs(srb_t *sp, struct cmd_type_crc_2 *cmd_pkt,
        uint32_t                *cur_dsd, *fcp_dl;
        scsi_qla_host_t         *vha;
        struct scsi_cmnd        *cmd;
-       struct scatterlist      *cur_seg;
        int                     sgc;
        uint32_t                total_bytes = 0;
        uint32_t                data_bytes;
@@ -1396,7 +1395,6 @@ qla24xx_build_scsi_crc_2_iocbs(srb_t *sp, struct cmd_type_crc_2 *cmd_pkt,
 
        if (bundling && tot_prot_dsds) {
                /* Walks dif segments */
-               cur_seg = scsi_prot_sglist(cmd);
                cmd_pkt->control_flags |=
                        __constant_cpu_to_le16(CF_DIF_SEG_DESCR_ENABLE);
                cur_dsd = (uint32_t *) &crc_ctx_pkt->u.bundling.dif_address;