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author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-07-04 15:54:37 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-07-04 15:54:37 -0700 |
commit | 532df6f3faa66b28b9b053775f5fa33761b8104e (patch) | |
tree | 40486a71d0d45508f887ebdf84f51008adfdf8db /drivers/scsi/hpsa.c | |
parent | fc52693f8f54485af29be1adc90ce2bd54ad325f (diff) | |
parent | a5ec7f86dc5432c44d8407a144e7617ec65da770 (diff) | |
download | talos-op-linux-532df6f3faa66b28b9b053775f5fa33761b8104e.tar.gz talos-op-linux-532df6f3faa66b28b9b053775f5fa33761b8104e.zip |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6: (277 commits)
[SCSI] isci: fix checkpatch errors
isci: Device reset should request sas_phy_reset(phy, true)
isci: pare back error messsages
isci: cleanup silicon revision detection
isci: merge scu_unsolicited_frame.h into unsolicited_frame_control.h
isci: merge sata.[ch] into request.c
isci: kill 'get/set' macros
isci: retire scic_sds_ and scic_ prefixes
isci: unify isci_host and scic_sds_controller
isci: unify isci_remote_device and scic_sds_remote_device
isci: unify isci_port and scic_sds_port
isci: fix scic_sds_remote_device_terminate_requests
isci: unify isci_phy and scic_sds_phy
isci: unify isci_request and scic_sds_request
isci: rename / clean up scic_sds_stp_request
isci: preallocate requests
isci: combine request flags
isci: unify can_queue tracking on the tci_pool, uplevel tag assignment
isci: Terminate dev requests on FIS err bit rx in NCQ
isci: fix frame received locking
...
Diffstat (limited to 'drivers/scsi/hpsa.c')
-rw-r--r-- | drivers/scsi/hpsa.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c index c6c0434d8034..6bba23a26303 100644 --- a/drivers/scsi/hpsa.c +++ b/drivers/scsi/hpsa.c @@ -1037,6 +1037,7 @@ static void complete_scsi_command(struct CommandList *cp) unsigned char sense_key; unsigned char asc; /* additional sense code */ unsigned char ascq; /* additional sense code qualifier */ + unsigned long sense_data_size; ei = cp->err_info; cmd = (struct scsi_cmnd *) cp->scsi_cmd; @@ -1051,10 +1052,14 @@ static void complete_scsi_command(struct CommandList *cp) cmd->result |= ei->ScsiStatus; /* copy the sense data whether we need to or not. */ - memcpy(cmd->sense_buffer, ei->SenseInfo, - ei->SenseLen > SCSI_SENSE_BUFFERSIZE ? - SCSI_SENSE_BUFFERSIZE : - ei->SenseLen); + if (SCSI_SENSE_BUFFERSIZE < sizeof(ei->SenseInfo)) + sense_data_size = SCSI_SENSE_BUFFERSIZE; + else + sense_data_size = sizeof(ei->SenseInfo); + if (ei->SenseLen < sense_data_size) + sense_data_size = ei->SenseLen; + + memcpy(cmd->sense_buffer, ei->SenseInfo, sense_data_size); scsi_set_resid(cmd, ei->ResidualCnt); if (ei->CommandStatus == 0) { @@ -2580,7 +2585,8 @@ static int hpsa_passthru_ioctl(struct ctlr_info *h, void __user *argp) c->SG[0].Ext = 0; /* we are not chaining*/ } hpsa_scsi_do_simple_cmd_core(h, c); - hpsa_pci_unmap(h->pdev, c, 1, PCI_DMA_BIDIRECTIONAL); + if (iocommand.buf_size > 0) + hpsa_pci_unmap(h->pdev, c, 1, PCI_DMA_BIDIRECTIONAL); check_ioctl_unit_attention(h, c); /* Copy the error information out */ |