libata: clear dev->ering in smarter way

[linux-2.6-omap-h63xx.git] / drivers / ata / libata-core.c

diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index d006e5c4768c59333d254e0faf69342231b13c4f..564c03c4ebb3b593c5314f8376b38bd1d96d6dcf 100644 (file)
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -5404,8 +5404,8 @@ void ata_dev_init(struct ata_device *dev)
        dev->horkage = 0;
        spin_unlock_irqrestore(ap->lock, flags);
 
-       memset((void *)dev + ATA_DEVICE_CLEAR_OFFSET, 0,
-              sizeof(*dev) - ATA_DEVICE_CLEAR_OFFSET);
+       memset((void *)dev + ATA_DEVICE_CLEAR_BEGIN, 0,
+              ATA_DEVICE_CLEAR_END - ATA_DEVICE_CLEAR_BEGIN);
        dev->pio_mask = UINT_MAX;
        dev->mwdma_mask = UINT_MAX;
        dev->udma_mask = UINT_MAX;