Update Linux to v5.4.2
Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c
index 78ca63d..058079f 100644
--- a/drivers/scsi/scsi_scan.c
+++ b/drivers/scsi/scsi_scan.c
@@ -220,7 +220,7 @@
struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
sdev = kzalloc(sizeof(*sdev) + shost->transportt->device_size,
- GFP_ATOMIC);
+ GFP_KERNEL);
if (!sdev)
goto out;
@@ -266,10 +266,7 @@
*/
sdev->borken = 1;
- if (shost_use_blk_mq(shost))
- sdev->request_queue = scsi_mq_alloc_queue(sdev);
- else
- sdev->request_queue = scsi_old_alloc_queue(sdev);
+ sdev->request_queue = scsi_mq_alloc_queue(sdev);
if (!sdev->request_queue) {
/* release fn is set up in scsi_sysfs_device_initialise, so
* have to free and put manually here */
@@ -280,11 +277,6 @@
WARN_ON_ONCE(!blk_get_queue(sdev->request_queue));
sdev->request_queue->queuedata = sdev;
- if (!shost_use_blk_mq(sdev->host)) {
- blk_queue_init_tags(sdev->request_queue,
- sdev->host->cmd_per_lun, shost->bqt,
- shost->hostt->tag_alloc_policy);
- }
scsi_change_queue_depth(sdev, sdev->host->cmd_per_lun ?
sdev->host->cmd_per_lun : 1);
@@ -796,7 +788,7 @@
*/
sdev->inquiry = kmemdup(inq_result,
max_t(size_t, sdev->inquiry_len, 36),
- GFP_ATOMIC);
+ GFP_KERNEL);
if (sdev->inquiry == NULL)
return SCSI_SCAN_NO_RESPONSE;
@@ -1087,7 +1079,7 @@
if (!sdev)
goto out;
- result = kmalloc(result_len, GFP_ATOMIC |
+ result = kmalloc(result_len, GFP_KERNEL |
((shost->unchecked_isa_dma) ? __GFP_DMA : 0));
if (!result)
goto out_free_sdev;
@@ -1137,7 +1129,8 @@
* that no LUN is present, so don't add sdev in these cases.
* Two specific examples are:
* 1) NetApp targets: return PQ=1, PDT=0x1f
- * 2) USB UFI: returns PDT=0x1f, with the PQ bits being "reserved"
+ * 2) IBM/2145 targets: return PQ=1, PDT=0
+ * 3) USB UFI: returns PDT=0x1f, with the PQ bits being "reserved"
* in the UFI 1.0 spec (we cannot rely on reserved bits).
*
* References:
@@ -1151,8 +1144,8 @@
* PDT=00h Direct-access device (floppy)
* PDT=1Fh none (no FDD connected to the requested logical unit)
*/
- if (((result[0] >> 5) == 1 || starget->pdt_1f_for_no_lun) &&
- (result[0] & 0x1f) == 0x1f &&
+ if (((result[0] >> 5) == 1 ||
+ (starget->pdt_1f_for_no_lun && (result[0] & 0x1f) == 0x1f)) &&
!scsi_is_wlun(lun)) {
SCSI_LOG_SCAN_BUS(3, sdev_printk(KERN_INFO, sdev,
"scsi scan: peripheral device type"