diff options
| -rw-r--r-- | drivers/scsi/scsi_scan.c | 38 |
1 files changed, 35 insertions, 3 deletions
diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c index 820c4ad7b581..5603dc6eca47 100644 --- a/drivers/scsi/scsi_scan.c +++ b/drivers/scsi/scsi_scan.c @@ -808,6 +808,29 @@ static inline void scsi_destroy_sdev(struct scsi_device *sdev) put_device(&sdev->sdev_gendev); } +/** + * scsi_inq_str - print INQUIRY data from min to max index, + * strip trailing whitespace + * @buf: Output buffer with at least end-first+1 bytes of space + * @inq: Inquiry buffer (input) + * @first: Offset of string into inq + * @end: Index after last character in inq + */ +static unsigned char* scsi_inq_str(unsigned char* buf, unsigned char *inq, + unsigned first, unsigned end) +{ + unsigned term = 0, idx; + for (idx = 0; idx+first < end && idx+first < inq[4]+5; ++idx) { + if (inq[idx+first] > 0x20) { + buf[idx] = inq[idx+first]; + term = idx+1; + } else { + buf[idx] = ' '; + } + } + buf[term] = 0; + return buf; +} /** * scsi_probe_and_add_lun - probe a LUN, if a LUN is found add it @@ -888,9 +911,18 @@ static int scsi_probe_and_add_lun(struct scsi_target *starget, * logical disk configured at sdev->lun, but there * is a target id responding. */ - SCSI_LOG_SCAN_BUS(3, printk(KERN_INFO - "scsi scan: peripheral qualifier of 3," - " no device added\n")); + SCSI_LOG_SCAN_BUS(2, sdev_printk(KERN_INFO, sdev, "scsi scan:" + " peripheral qualifier of 3, device not" + " added\n")) + if (lun == 0) { + unsigned char vend[9], mod[17]; + SCSI_LOG_SCAN_BUS(1, sdev_printk(KERN_INFO, sdev, + "scsi scan: consider passing scsi_mod." + "dev_flags=%s:%s:0x240 or 0x800240\n", + scsi_inq_str(vend, result, 8, 16), + scsi_inq_str(mod, result, 16, 32))); + } + res = SCSI_SCAN_TARGET_PRESENT; goto out_free_result; } |