Merge branch 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev

* 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev:
  [libata] LBA28/LBA48 off-by-one bug in ata.h
  sata_inic162x: enable LED blinking
  ata: duplicate variable sparse warning

drivers/ata/ata_piix.c

@@ -1499,7 +1499,7 @@ static int __devinit piix_init_one(struct pci_dev *pdev,
 	 * off.
 	 */
 	if (pdev->vendor == PCI_VENDOR_ID_INTEL && pdev->device == 0x2652) {
-		int rc = piix_disable_ahci(pdev);
+		rc = piix_disable_ahci(pdev);
 		if (rc)
 			return rc;
 	}

drivers/ata/sata_inic162x.c

@@ -96,6 +96,7 @@ enum {
 	PORT_SCR		= 0x20,
 
 	/* HOST_CTL bits */
+	HCTL_LEDEN		= (1 << 3),  /* enable LED operation */
 	HCTL_IRQOFF		= (1 << 8),  /* global IRQ off */
 	HCTL_FTHD0		= (1 << 10), /* fifo threshold 0 */
 	HCTL_FTHD1		= (1 << 11), /* fifo threshold 1*/
@@ -540,7 +541,7 @@ static unsigned int inic_qc_issue(struct ata_queued_cmd *qc)
 	void __iomem *port_base = inic_port_base(ap);
 
 	/* fire up the ADMA engine */
-	writew(HCTL_FTHD0, port_base + HOST_CTL);
+	writew(HCTL_FTHD0 | HCTL_LEDEN, port_base + HOST_CTL);
 	writew(IDMA_CTL_GO, port_base + PORT_IDMA_CTL);
 	writeb(0, port_base + PORT_CPB_PTQFIFO);
 

include/linux/ata.h

@@ -745,7 +745,7 @@ static inline int ata_ok(u8 status)
 static inline int lba_28_ok(u64 block, u32 n_block)
 {
 	/* check the ending block number */
-	return ((block + n_block - 1) < ((u64)1 << 28)) && (n_block <= 256);
+	return ((block + n_block) < ((u64)1 << 28)) && (n_block <= 256);
 }
 
 static inline int lba_48_ok(u64 block, u32 n_block)