diff options
Diffstat (limited to 'drivers/scsi/NCR5380.c')
| -rw-r--r-- | drivers/scsi/NCR5380.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/scsi/NCR5380.c b/drivers/scsi/NCR5380.c index e96a48b9e86c..3058b68b6740 100644 --- a/drivers/scsi/NCR5380.c +++ b/drivers/scsi/NCR5380.c @@ -2016,6 +2016,11 @@ static void NCR5380_reselect(struct Scsi_Host *instance) NCR5380_write(MODE_REG, MR_BASE); target_mask = NCR5380_read(CURRENT_SCSI_DATA_REG) & ~(hostdata->id_mask); + if (!target_mask || target_mask & (target_mask - 1)) { + shost_printk(KERN_WARNING, instance, + "reselect: bad target_mask 0x%02x\n", target_mask); + return; + } dsprintk(NDEBUG_RESELECTION, instance, "reselect\n"); |