From 1aa56cca5bfa396c791e93b38e4776ef39b590a7 Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Tue, 27 Feb 2007 22:33:21 +0900 Subject: libata: clear drvdata in ata_host_release(), take#2 Clearing drvdata in ->remove_one causes NULL pointer deference. Clear drvdata only in ata_host_release() after all resources are freed. Signed-off-by: Tejun Heo Signed-off-by: Jeff Garzik --- drivers/ata/libata-core.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'drivers/ata/libata-core.c') diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index c8d44a7c403..17ad152714e 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -5680,6 +5680,8 @@ static void ata_host_release(struct device *gendev, void *res) if (host->ops->host_stop) host->ops->host_stop(host); + + dev_set_drvdata(gendev, NULL); } /** @@ -5902,7 +5904,6 @@ int ata_device_add(const struct ata_probe_ent *ent) err_out: devres_release_group(dev, ata_device_add); - dev_set_drvdata(dev, NULL); VPRINTK("EXIT, returning %d\n", rc); return 0; } -- cgit v1.2.3-70-g09d2 From 09125ea6179b28790950b7ddb4daba112f6c2b73 Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Wed, 28 Feb 2007 15:21:23 +0900 Subject: libata: blacklist FUJITSU MHT2060BH for NCQ Blacklist FUJITSU MHT2060BH for NCQ. On this drive, NCQ works iff queue depth is equal to or less than 4. Just turn it off. Signed-off-by: Tejun Heo Cc: Mike Accetta Signed-off-by: Jeff Garzik --- drivers/ata/libata-core.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'drivers/ata/libata-core.c') diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 17ad152714e..ac3d1204ea3 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -3346,6 +3346,8 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = { /* Devices where NCQ should be avoided */ /* NCQ is slow */ { "WDC WD740ADFD-00", NULL, ATA_HORKAGE_NONCQ }, + /* http://thread.gmane.org/gmane.linux.ide/14907 */ + { "FUJITSU MHT2060BH", NULL, ATA_HORKAGE_NONCQ }, /* Devices with NCQ limits */ -- cgit v1.2.3-70-g09d2