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path: root/drivers/scsi/aacraid/aachba.c
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Diffstat (limited to 'drivers/scsi/aacraid/aachba.c')
-rw-r--r--drivers/scsi/aacraid/aachba.c34
1 files changed, 34 insertions, 0 deletions
diff --git a/drivers/scsi/aacraid/aachba.c b/drivers/scsi/aacraid/aachba.c
index fdc7d9935aeb..7df2dd1d2c6f 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))