diff options
author | James Bottomley <James.Bottomley@HansenPartnership.com> | 2009-06-12 10:02:03 -0500 |
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committer | James Bottomley <James.Bottomley@HansenPartnership.com> | 2009-06-12 10:02:03 -0500 |
commit | 82681a318f9f028ea64e61f24bbd9ac535531921 (patch) | |
tree | 529b6a5b4fd040fb54b7672b1a224ebd47445876 /drivers/scsi/libsas/sas_host_smp.c | |
parent | 3860c97bd60a4525bb62eb90e3e7d2f02662ac59 (diff) | |
parent | 8ebf975608aaebd7feb33d77f07ba21a6380e086 (diff) |
[SCSI] Merge branch 'linus'
Conflicts:
drivers/message/fusion/mptsas.c
fixed up conflict between req->data_len accessors and mptsas driver updates.
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Diffstat (limited to 'drivers/scsi/libsas/sas_host_smp.c')
-rw-r--r-- | drivers/scsi/libsas/sas_host_smp.c | 49 |
1 files changed, 24 insertions, 25 deletions
diff --git a/drivers/scsi/libsas/sas_host_smp.c b/drivers/scsi/libsas/sas_host_smp.c index d110a366c48..1bc3b756799 100644 --- a/drivers/scsi/libsas/sas_host_smp.c +++ b/drivers/scsi/libsas/sas_host_smp.c @@ -134,24 +134,24 @@ int sas_smp_host_handler(struct Scsi_Host *shost, struct request *req, { u8 *req_data = NULL, *resp_data = NULL, *buf; struct sas_ha_struct *sas_ha = SHOST_TO_SAS_HA(shost); - int error = -EINVAL, resp_data_len = rsp->data_len; + int error = -EINVAL; /* eight is the minimum size for request and response frames */ - if (req->data_len < 8 || rsp->data_len < 8) + if (blk_rq_bytes(req) < 8 || blk_rq_bytes(rsp) < 8) goto out; - if (bio_offset(req->bio) + req->data_len > PAGE_SIZE || - bio_offset(rsp->bio) + rsp->data_len > PAGE_SIZE) { + if (bio_offset(req->bio) + blk_rq_bytes(req) > PAGE_SIZE || + bio_offset(rsp->bio) + blk_rq_bytes(rsp) > PAGE_SIZE) { shost_printk(KERN_ERR, shost, "SMP request/response frame crosses page boundary"); goto out; } - req_data = kzalloc(req->data_len, GFP_KERNEL); + req_data = kzalloc(blk_rq_bytes(req), GFP_KERNEL); /* make sure frame can always be built ... we copy * back only the requested length */ - resp_data = kzalloc(max(rsp->data_len, 128U), GFP_KERNEL); + resp_data = kzalloc(max(blk_rq_bytes(rsp), 128U), GFP_KERNEL); if (!req_data || !resp_data) { error = -ENOMEM; @@ -160,7 +160,7 @@ int sas_smp_host_handler(struct Scsi_Host *shost, struct request *req, local_irq_disable(); buf = kmap_atomic(bio_page(req->bio), KM_USER0) + bio_offset(req->bio); - memcpy(req_data, buf, req->data_len); + memcpy(req_data, buf, blk_rq_bytes(req)); kunmap_atomic(buf - bio_offset(req->bio), KM_USER0); local_irq_enable(); @@ -178,15 +178,15 @@ int sas_smp_host_handler(struct Scsi_Host *shost, struct request *req, switch (req_data[1]) { case SMP_REPORT_GENERAL: - req->data_len -= 8; - resp_data_len -= 32; + req->resid_len -= 8; + rsp->resid_len -= 32; resp_data[2] = SMP_RESP_FUNC_ACC; resp_data[9] = sas_ha->num_phys; break; case SMP_REPORT_MANUF_INFO: - req->data_len -= 8; - resp_data_len -= 64; + req->resid_len -= 8; + rsp->resid_len -= 64; resp_data[2] = SMP_RESP_FUNC_ACC; memcpy(resp_data + 12, shost->hostt->name, SAS_EXPANDER_VENDOR_ID_LEN); @@ -199,13 +199,13 @@ int sas_smp_host_handler(struct Scsi_Host *shost, struct request *req, break; case SMP_DISCOVER: - req->data_len -= 16; - if ((int)req->data_len < 0) { - req->data_len = 0; + req->resid_len -= 16; + if ((int)req->resid_len < 0) { + req->resid_len = 0; error = -EINVAL; goto out; } - resp_data_len -= 56; + rsp->resid_len -= 56; sas_host_smp_discover(sas_ha, resp_data, req_data[9]); break; @@ -215,13 +215,13 @@ int sas_smp_host_handler(struct Scsi_Host *shost, struct request *req, break; case SMP_REPORT_PHY_SATA: - req->data_len -= 16; - if ((int)req->data_len < 0) { - req->data_len = 0; + req->resid_len -= 16; + if ((int)req->resid_len < 0) { + req->resid_len = 0; error = -EINVAL; goto out; } - resp_data_len -= 60; + rsp->resid_len -= 60; sas_report_phy_sata(sas_ha, resp_data, req_data[9]); break; @@ -238,13 +238,13 @@ int sas_smp_host_handler(struct Scsi_Host *shost, struct request *req, break; case SMP_PHY_CONTROL: - req->data_len -= 44; - if ((int)req->data_len < 0) { - req->data_len = 0; + req->resid_len -= 44; + if ((int)req->resid_len < 0) { + req->resid_len = 0; error = -EINVAL; goto out; } - resp_data_len -= 8; + rsp->resid_len -= 8; sas_phy_control(sas_ha, req_data[9], req_data[10], req_data[32] >> 4, req_data[33] >> 4, resp_data); @@ -261,11 +261,10 @@ int sas_smp_host_handler(struct Scsi_Host *shost, struct request *req, local_irq_disable(); buf = kmap_atomic(bio_page(rsp->bio), KM_USER0) + bio_offset(rsp->bio); - memcpy(buf, resp_data, rsp->data_len); + memcpy(buf, resp_data, blk_rq_bytes(rsp)); flush_kernel_dcache_page(bio_page(rsp->bio)); kunmap_atomic(buf - bio_offset(rsp->bio), KM_USER0); local_irq_enable(); - rsp->data_len = resp_data_len; out: kfree(req_data); |