diff options
Diffstat (limited to 'drivers/scsi/aacraid/aachba.c')
| -rw-r--r-- | drivers/scsi/aacraid/aachba.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/drivers/scsi/aacraid/aachba.c b/drivers/scsi/aacraid/aachba.c index fdc7d9935ae..7df2dd1d2c6 100644 --- a/drivers/scsi/aacraid/aachba.c +++ b/drivers/scsi/aacraid/aachba.c @@ -1608,6 +1608,7 @@ static int aac_read(struct scsi_cmnd * scsicmd) int status; struct aac_dev *dev; struct fib * cmd_fibcontext; + int cid; dev = (struct aac_dev *)scsicmd->device->host->hostdata; /* @@ -1657,6 +1658,22 @@ static int aac_read(struct scsi_cmnd * scsicmd) count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8]; break; } + + if ((lba + count) > (dev->fsa_dev[scmd_id(scsicmd)].size)) { + cid = scmd_id(scsicmd); + dprintk((KERN_DEBUG "aacraid: Illegal lba\n")); + scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | + SAM_STAT_CHECK_CONDITION; + set_sense(&dev->fsa_dev[cid].sense_data, + HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE, + ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0); + memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data, + min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data), + SCSI_SENSE_BUFFERSIZE)); + scsicmd->scsi_done(scsicmd); + return 1; + } + dprintk((KERN_DEBUG "aac_read[cpu %d]: lba = %llu, t = %ld.\n", smp_processor_id(), (unsigned long long)lba, jiffies)); if (aac_adapter_bounds(dev,scsicmd,lba)) @@ -1698,6 +1715,7 @@ static int aac_write(struct scsi_cmnd * scsicmd) int status; struct aac_dev *dev; struct fib * cmd_fibcontext; + int cid; dev = (struct aac_dev *)scsicmd->device->host->hostdata; /* @@ -1737,6 +1755,22 @@ static int aac_write(struct scsi_cmnd * scsicmd) count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8]; fua = scsicmd->cmnd[1] & 0x8; } + + if ((lba + count) > (dev->fsa_dev[scmd_id(scsicmd)].size)) { + cid = scmd_id(scsicmd); + dprintk((KERN_DEBUG "aacraid: Illegal lba\n")); + scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | + SAM_STAT_CHECK_CONDITION; + set_sense(&dev->fsa_dev[cid].sense_data, + HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE, + ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0); + memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data, + min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data), + SCSI_SENSE_BUFFERSIZE)); + scsicmd->scsi_done(scsicmd); + return 1; + } + dprintk((KERN_DEBUG "aac_write[cpu %d]: lba = %llu, t = %ld.\n", smp_processor_id(), (unsigned long long)lba, jiffies)); if (aac_adapter_bounds(dev,scsicmd,lba)) |