Use M_ZERO instead of explicit memsets and bzeros.
This commit is contained in:
parent
401f7c11ff
commit
a492b68b27
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=242358
@ -957,11 +957,10 @@ ctl_init(void)
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if (ctl_disable != 0)
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return;
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control_softc = malloc(sizeof(*control_softc), M_DEVBUF, M_WAITOK);
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control_softc = malloc(sizeof(*control_softc), M_DEVBUF,
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M_WAITOK | M_ZERO);
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softc = control_softc;
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memset(softc, 0, sizeof(*softc));
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softc->dev = make_dev(&ctl_cdevsw, 0, UID_ROOT, GID_OPERATOR, 0600,
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"cam/ctl");
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@ -3271,14 +3270,13 @@ ctl_pool_create(struct ctl_softc *ctl_softc, ctl_pool_type pool_type,
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retval = 0;
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pool = (struct ctl_io_pool *)malloc(sizeof(*pool), M_CTL, M_NOWAIT);
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pool = (struct ctl_io_pool *)malloc(sizeof(*pool), M_CTL,
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M_NOWAIT | M_ZERO);
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if (pool == NULL) {
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retval = -ENOMEM;
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goto bailout;
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}
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memset(pool, 0, sizeof(*pool));
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pool->type = pool_type;
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pool->ctl_softc = ctl_softc;
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@ -6561,7 +6559,7 @@ ctl_mode_sense(struct ctl_scsiio *ctsio)
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header_len, page_len, total_len);
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#endif
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ctsio->kern_data_ptr = malloc(total_len, M_CTL, M_WAITOK);
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ctsio->kern_data_ptr = malloc(total_len, M_CTL, M_WAITOK | M_ZERO);
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ctsio->kern_sg_entries = 0;
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ctsio->kern_data_resid = 0;
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ctsio->kern_rel_offset = 0;
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@ -6574,7 +6572,6 @@ ctl_mode_sense(struct ctl_scsiio *ctsio)
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ctsio->kern_data_len = alloc_len;
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ctsio->kern_total_len = alloc_len;
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}
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memset(ctsio->kern_data_ptr, 0, total_len);
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switch (ctsio->cdb[0]) {
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case MODE_SENSE_6: {
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@ -6742,7 +6739,7 @@ ctl_read_capacity(struct ctl_scsiio *ctsio)
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lun = (struct ctl_lun *)ctsio->io_hdr.ctl_private[CTL_PRIV_LUN].ptr;
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ctsio->kern_data_ptr = malloc(sizeof(*data), M_CTL, M_WAITOK);
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ctsio->kern_data_ptr = malloc(sizeof(*data), M_CTL, M_WAITOK | M_ZERO);
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data = (struct scsi_read_capacity_data *)ctsio->kern_data_ptr;
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ctsio->residual = 0;
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ctsio->kern_data_len = sizeof(*data);
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@ -6751,8 +6748,6 @@ ctl_read_capacity(struct ctl_scsiio *ctsio)
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ctsio->kern_rel_offset = 0;
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ctsio->kern_sg_entries = 0;
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memset(data, 0, sizeof(*data));
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/*
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* If the maximum LBA is greater than 0xfffffffe, the user must
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* issue a SERVICE ACTION IN (16) command, with the read capacity
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@ -6806,7 +6801,7 @@ ctl_read_capacity_16(struct ctl_scsiio *ctsio)
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lun = (struct ctl_lun *)ctsio->io_hdr.ctl_private[CTL_PRIV_LUN].ptr;
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ctsio->kern_data_ptr = malloc(sizeof(*data), M_CTL, M_WAITOK);
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ctsio->kern_data_ptr = malloc(sizeof(*data), M_CTL, M_WAITOK | M_ZERO);
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data = (struct scsi_read_capacity_data_long *)ctsio->kern_data_ptr;
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if (sizeof(*data) < alloc_len) {
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@ -6822,8 +6817,6 @@ ctl_read_capacity_16(struct ctl_scsiio *ctsio)
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ctsio->kern_rel_offset = 0;
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ctsio->kern_sg_entries = 0;
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memset(data, 0, sizeof(*data));
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scsi_u64to8b(lun->be_lun->maxlba, data->addr);
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/* XXX KDM this may not be 512 bytes... */
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scsi_ulto4b(lun->be_lun->blocksize, data->length);
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@ -6913,8 +6906,7 @@ ctl_maintenance_in(struct ctl_scsiio *ctsio)
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alloc_len = scsi_4btoul(cdb->length);
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ctsio->kern_data_ptr = malloc(total_len, M_CTL, M_WAITOK);
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memset(ctsio->kern_data_ptr, 0, total_len);
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ctsio->kern_data_ptr = malloc(total_len, M_CTL, M_WAITOK | M_ZERO);
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ctsio->kern_sg_entries = 0;
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@ -7068,7 +7060,7 @@ ctl_persistent_reserve_in(struct ctl_scsiio *ctsio)
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}
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mtx_unlock(&softc->ctl_lock);
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ctsio->kern_data_ptr = malloc(total_len, M_CTL, M_WAITOK);
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ctsio->kern_data_ptr = malloc(total_len, M_CTL, M_WAITOK | M_ZERO);
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if (total_len < alloc_len) {
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ctsio->residual = alloc_len - total_len;
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@ -7084,8 +7076,6 @@ ctl_persistent_reserve_in(struct ctl_scsiio *ctsio)
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ctsio->kern_rel_offset = 0;
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ctsio->kern_sg_entries = 0;
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memset(ctsio->kern_data_ptr, 0, total_len);
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mtx_lock(&softc->ctl_lock);
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switch (cdb->action) {
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case SPRI_RK: { // read keys
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@ -8611,7 +8601,7 @@ ctl_report_luns(struct ctl_scsiio *ctsio)
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lun_datalen = sizeof(*lun_data) +
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(num_luns * sizeof(struct scsi_report_luns_lundata));
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ctsio->kern_data_ptr = malloc(lun_datalen, M_CTL, M_WAITOK);
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ctsio->kern_data_ptr = malloc(lun_datalen, M_CTL, M_WAITOK | M_ZERO);
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lun_data = (struct scsi_report_luns_data *)ctsio->kern_data_ptr;
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ctsio->kern_sg_entries = 0;
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@ -8630,8 +8620,6 @@ ctl_report_luns(struct ctl_scsiio *ctsio)
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initidx = ctl_get_initindex(&ctsio->io_hdr.nexus);
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memset(lun_data, 0, lun_datalen);
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/*
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* We set this to the actual data length, regardless of how much
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* space we actually have to return results. If the user looks at
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@ -8907,7 +8895,7 @@ ctl_inquiry_evpd_supported(struct ctl_scsiio *ctsio, int alloc_len)
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* XXX KDM GFP_??? We probably don't want to wait here,
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* unless we end up having a process/thread context.
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*/
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ctsio->kern_data_ptr = malloc(sup_page_size, M_CTL, M_WAITOK);
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ctsio->kern_data_ptr = malloc(sup_page_size, M_CTL, M_WAITOK | M_ZERO);
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if (ctsio->kern_data_ptr == NULL) {
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ctsio->io_hdr.status = CTL_SCSI_ERROR;
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ctsio->scsi_status = SCSI_STATUS_BUSY;
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@ -8930,8 +8918,6 @@ ctl_inquiry_evpd_supported(struct ctl_scsiio *ctsio, int alloc_len)
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ctsio->kern_rel_offset = 0;
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ctsio->kern_sg_entries = 0;
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memset(pages, 0, sup_page_size);
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/*
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* The control device is always connected. The disk device, on the
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* other hand, may not be online all the time. Need to change this
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@ -8971,7 +8957,7 @@ ctl_inquiry_evpd_serial(struct ctl_scsiio *ctsio, int alloc_len)
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lun = (struct ctl_lun *)ctsio->io_hdr.ctl_private[CTL_PRIV_LUN].ptr;
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/* XXX KDM which malloc flags here?? */
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ctsio->kern_data_ptr = malloc(sizeof(*sn_ptr), M_CTL, M_WAITOK);
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ctsio->kern_data_ptr = malloc(sizeof(*sn_ptr), M_CTL, M_WAITOK | M_ZERO);
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if (ctsio->kern_data_ptr == NULL) {
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ctsio->io_hdr.status = CTL_SCSI_ERROR;
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ctsio->scsi_status = SCSI_STATUS_BUSY;
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@ -8994,8 +8980,6 @@ ctl_inquiry_evpd_serial(struct ctl_scsiio *ctsio, int alloc_len)
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ctsio->kern_rel_offset = 0;
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ctsio->kern_sg_entries = 0;
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memset(sn_ptr, 0, sizeof(*sn_ptr));
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/*
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* The control device is always connected. The disk device, on the
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* other hand, may not be online all the time. Need to change this
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@ -9065,7 +9049,7 @@ ctl_inquiry_evpd_devid(struct ctl_scsiio *ctsio, int alloc_len)
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sizeof(struct scsi_vpd_id_trgt_port_grp_id);
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/* XXX KDM which malloc flags here ?? */
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ctsio->kern_data_ptr = malloc(devid_len, M_CTL, M_WAITOK);
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ctsio->kern_data_ptr = malloc(devid_len, M_CTL, M_WAITOK | M_ZERO);
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if (ctsio->kern_data_ptr == NULL) {
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ctsio->io_hdr.status = CTL_SCSI_ERROR;
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ctsio->scsi_status = SCSI_STATUS_BUSY;
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@ -9096,7 +9080,6 @@ ctl_inquiry_evpd_devid(struct ctl_scsiio *ctsio, int alloc_len)
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CTL_WWPN_LEN);
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desc3 = (struct scsi_vpd_id_descriptor *)(&desc2->identifier[0] +
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sizeof(struct scsi_vpd_id_rel_trgt_port_id));
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memset(devid_ptr, 0, devid_len);
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/*
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* The control device is always connected. The disk device, on the
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@ -9296,7 +9279,7 @@ ctl_inquiry_std(struct ctl_scsiio *ctsio)
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* that much.
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*/
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/* XXX KDM what malloc flags should we use here?? */
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ctsio->kern_data_ptr = malloc(sizeof(*inq_ptr), M_CTL, M_WAITOK);
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ctsio->kern_data_ptr = malloc(sizeof(*inq_ptr), M_CTL, M_WAITOK | M_ZERO);
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if (ctsio->kern_data_ptr == NULL) {
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ctsio->io_hdr.status = CTL_SCSI_ERROR;
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ctsio->scsi_status = SCSI_STATUS_BUSY;
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@ -9318,8 +9301,6 @@ ctl_inquiry_std(struct ctl_scsiio *ctsio)
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ctsio->kern_total_len = alloc_len;
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}
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memset(inq_ptr, 0, sizeof(*inq_ptr));
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/*
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* If we have a LUN configured, report it as connected. Otherwise,
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* report that it is offline or no device is supported, depending
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@ -376,7 +376,6 @@ ctl_grow_beio(struct ctl_be_block_softc *softc, int count)
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beio = (struct ctl_be_block_io *)malloc(sizeof(*beio),
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M_CTLBLK,
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M_WAITOK | M_ZERO);
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bzero(beio, sizeof(*beio));
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beio->softc = softc;
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mtx_lock(&softc->lock);
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STAILQ_INSERT_TAIL(&softc->beio_free_queue, beio, links);
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