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| author | Joe Carnuccio <joe.carnuccio@qlogic.com> | 2016-01-27 17:03:34 (GMT) |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2016-02-24 02:27:02 (GMT) |
| commit | da08ef5c30a28745cc789f024a2095f85a4b2b12 (patch) | |
| tree | 46afdb0c99054677a17d26ef8513946f6e79d221 /drivers/scsi/qla2xxx/qla_sup.c | |
| parent | 243de6768db50266f595ec62c5ae34783edb72ea (diff) | |
| download | linux-da08ef5c30a28745cc789f024a2095f85a4b2b12.tar.xz | |
qla2xxx: Avoid side effects when using endianizer macros.
Signed-off-by: Joe Carnuccio <joe.carnuccio@qlogic.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_sup.c')
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_sup.c | 23 |
1 files changed, 11 insertions, 12 deletions
diff --git a/drivers/scsi/qla2xxx/qla_sup.c b/drivers/scsi/qla2xxx/qla_sup.c index 786ead2..5e93923 100644 --- a/drivers/scsi/qla2xxx/qla_sup.c +++ b/drivers/scsi/qla2xxx/qla_sup.c @@ -610,8 +610,8 @@ qla2xxx_find_flt_start(scsi_qla_host_t *vha, uint32_t *start) wptr = (uint16_t *)req->ring; cnt = sizeof(struct qla_flt_location) >> 1; - for (chksum = 0; cnt; cnt--) - chksum += le16_to_cpu(*wptr++); + for (chksum = 0; cnt--; wptr++) + chksum += le16_to_cpu(*wptr); if (chksum) { ql_log(ql_log_fatal, vha, 0x0045, "Inconsistent FLTL detected: checksum=0x%x.\n", chksum); @@ -702,8 +702,8 @@ qla2xxx_get_flt_info(scsi_qla_host_t *vha, uint32_t flt_addr) } cnt = (sizeof(struct qla_flt_header) + le16_to_cpu(flt->length)) >> 1; - for (chksum = 0; cnt; cnt--) - chksum += le16_to_cpu(*wptr++); + for (chksum = 0; cnt--; wptr++) + chksum += le16_to_cpu(*wptr); if (chksum) { ql_log(ql_log_fatal, vha, 0x0048, "Inconsistent FLT detected: version=0x%x length=0x%x checksum=0x%x.\n", @@ -930,9 +930,8 @@ qla2xxx_get_fdt_info(scsi_qla_host_t *vha) fdt->sig[3] != 'D') goto no_flash_data; - for (cnt = 0, chksum = 0; cnt < sizeof(struct qla_fdt_layout) >> 1; - cnt++) - chksum += le16_to_cpu(*wptr++); + for (cnt = 0, chksum = 0; cnt < sizeof(*fdt) >> 1; cnt++, wptr++) + chksum += le16_to_cpu(*wptr); if (chksum) { ql_dbg(ql_dbg_init, vha, 0x004c, "Inconsistent FDT detected:" @@ -1027,7 +1026,8 @@ qla2xxx_get_idc_param(scsi_qla_host_t *vha) ha->fcoe_dev_init_timeout = QLA82XX_ROM_DEV_INIT_TIMEOUT; ha->fcoe_reset_timeout = QLA82XX_ROM_DRV_RESET_ACK_TIMEOUT; } else { - ha->fcoe_dev_init_timeout = le32_to_cpu(*wptr++); + ha->fcoe_dev_init_timeout = le32_to_cpu(*wptr); + wptr++; ha->fcoe_reset_timeout = le32_to_cpu(*wptr); } ql_dbg(ql_dbg_init, vha, 0x004e, @@ -1104,10 +1104,9 @@ qla2xxx_flash_npiv_conf(scsi_qla_host_t *vha) ha->isp_ops->read_optrom(vha, (uint8_t *)data, ha->flt_region_npiv_conf << 2, NPIV_CONFIG_SIZE); - cnt = (sizeof(struct qla_npiv_header) + le16_to_cpu(hdr.entries) * - sizeof(struct qla_npiv_entry)) >> 1; - for (wptr = data, chksum = 0; cnt; cnt--) - chksum += le16_to_cpu(*wptr++); + cnt = (sizeof(hdr) + le16_to_cpu(hdr.entries) * sizeof(*entry)) >> 1; + for (wptr = data, chksum = 0; cnt--; wptr++) + chksum += le16_to_cpu(*wptr); if (chksum) { ql_dbg(ql_dbg_user, vha, 0x7092, "Inconsistent NPIV-Config " |