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-rw-r--r--drivers/ata/libata-core.c14
-rw-r--r--drivers/ata/libata-scsi.c11
-rw-r--r--drivers/ata/libata-sff.c3
-rw-r--r--drivers/ata/pata_it821x.c5
-rw-r--r--drivers/ata/pata_pcmcia.c1
5 files changed, 30 insertions, 4 deletions
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 2a210719c4ce..462217935558 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -3006,6 +3006,16 @@ int ata_dev_configure(struct ata_device *dev)
}
dev->n_sectors = ata_id_n_sectors(id);
+ if (ata_id_is_locked(id)) {
+ /*
+ * If Security locked, set capacity to zero to prevent
+ * any I/O, e.g. partition scanning, as any I/O to a
+ * locked drive will result in user visible errors.
+ */
+ ata_dev_info(dev,
+ "Security locked, setting capacity to zero\n");
+ dev->n_sectors = 0;
+ }
/* get current R/W Multiple count setting */
if ((dev->id[47] >> 8) == 0x80 && (dev->id[59] & 0x100)) {
@@ -4206,6 +4216,10 @@ static const struct ata_dev_quirks_entry __ata_dev_quirks[] = {
/* Apacer models with LPM issues */
{ "Apacer AS340*", NULL, ATA_QUIRK_NOLPM },
+ /* Silicon Motion models with LPM issues */
+ { "MD619HXCLDE3TC", "TCVAID", ATA_QUIRK_NOLPM },
+ { "MD619GXCLDE3TC", "TCV35D", ATA_QUIRK_NOLPM },
+
/* These specific Samsung models/firmware-revs do not handle LPM well */
{ "SAMSUNG MZMPC128HBFU-000MV", "CXM14M1Q", ATA_QUIRK_NOLPM },
{ "SAMSUNG SSD PM830 mSATA *", "CXM13D1Q", ATA_QUIRK_NOLPM },
diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c
index b43a3196e2be..434774e71fe6 100644
--- a/drivers/ata/libata-scsi.c
+++ b/drivers/ata/libata-scsi.c
@@ -992,6 +992,13 @@ static void ata_gen_ata_sense(struct ata_queued_cmd *qc)
return;
}
+ if (ata_id_is_locked(dev->id)) {
+ /* Security locked */
+ /* LOGICAL UNIT ACCESS NOT AUTHORIZED */
+ ata_scsi_set_sense(dev, cmd, DATA_PROTECT, 0x74, 0x71);
+ return;
+ }
+
if (!(qc->flags & ATA_QCFLAG_RTF_FILLED)) {
ata_dev_dbg(dev,
"Missing result TF: reporting aborted command\n");
@@ -4894,8 +4901,10 @@ void ata_scsi_dev_rescan(struct work_struct *work)
spin_unlock_irqrestore(ap->lock, flags);
if (do_resume) {
ret = scsi_resume_device(sdev);
- if (ret == -EWOULDBLOCK)
+ if (ret == -EWOULDBLOCK) {
+ scsi_device_put(sdev);
goto unlock_scan;
+ }
dev->flags &= ~ATA_DFLAG_RESUMING;
}
ret = scsi_rescan_device(sdev);
diff --git a/drivers/ata/libata-sff.c b/drivers/ata/libata-sff.c
index 1e2a2c33cdc8..785b6e371abf 100644
--- a/drivers/ata/libata-sff.c
+++ b/drivers/ata/libata-sff.c
@@ -3191,7 +3191,8 @@ void ata_sff_port_init(struct ata_port *ap)
int __init ata_sff_init(void)
{
- ata_sff_wq = alloc_workqueue("ata_sff", WQ_MEM_RECLAIM, WQ_MAX_ACTIVE);
+ ata_sff_wq = alloc_workqueue("ata_sff", WQ_MEM_RECLAIM | WQ_PERCPU,
+ WQ_MAX_ACTIVE);
if (!ata_sff_wq)
return -ENOMEM;
diff --git a/drivers/ata/pata_it821x.c b/drivers/ata/pata_it821x.c
index 042f6ad1f7c6..fc762dcc61bf 100644
--- a/drivers/ata/pata_it821x.c
+++ b/drivers/ata/pata_it821x.c
@@ -75,6 +75,7 @@
#include <linux/blkdev.h>
#include <linux/delay.h>
#include <linux/slab.h>
+#include <linux/string.h>
#include <scsi/scsi_host.h>
#include <linux/libata.h>
@@ -632,9 +633,9 @@ static void it821x_display_disk(struct ata_port *ap, int n, u8 *buf)
cbl = "";
if (mode)
- snprintf(mbuf, 8, "%5s%d", mtype, mode - 1);
+ snprintf(mbuf, sizeof(mbuf), "%5s%d", mtype, mode - 1);
else
- strcpy(mbuf, "PIO");
+ strscpy(mbuf, "PIO");
if (buf[52] == 4)
ata_port_info(ap, "%d: %-6s %-8s %s %s\n",
n, mbuf, types[buf[52]], id, cbl);
diff --git a/drivers/ata/pata_pcmcia.c b/drivers/ata/pata_pcmcia.c
index cf3810933a27..caefcd8c4b3c 100644
--- a/drivers/ata/pata_pcmcia.c
+++ b/drivers/ata/pata_pcmcia.c
@@ -344,6 +344,7 @@ static const struct pcmcia_device_id pcmcia_devices[] = {
PCMCIA_DEVICE_PROD_ID2("NinjaATA-", 0xebe0bd79),
PCMCIA_DEVICE_PROD_ID12("PCMCIA", "CD-ROM", 0x281f1c5d, 0x66536591),
PCMCIA_DEVICE_PROD_ID12("PCMCIA", "PnPIDE", 0x281f1c5d, 0x0c694728),
+ PCMCIA_DEVICE_PROD_ID2("PCMCIA ATA/ATAPI Adapter", 0x888d7b73),
PCMCIA_DEVICE_PROD_ID12("SHUTTLE TECHNOLOGY LTD.", "PCCARD-IDE/ATAPI Adapter", 0x4a3f0ba0, 0x322560e1),
PCMCIA_DEVICE_PROD_ID12("SEAGATE", "ST1", 0x87c1b330, 0xe1f30883),
PCMCIA_DEVICE_PROD_ID12("SAMSUNG", "04/05/06", 0x43d74cb4, 0x6a22777d),