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Diffstat (limited to 'drivers/ata/libata-core.c')
-rw-r--r--drivers/ata/libata-core.c14
1 files changed, 14 insertions, 0 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 },