1 files changed, 4 insertions, 2 deletions

diff --git a/drivers/ata/sata_mv.c b/drivers/ata/sata_mv.c
index 080b8362f8d6..f5333cec2dfa 100644
--- a/drivers/ata/sata_mv.c
+++ b/drivers/ata/sata_mv.c
@@ -1716,14 +1716,16 @@ static void mv_host_intr(struct ata_host *host, u32 relevant, unsigned int hc)
         VPRINTK("ENTER, hc%u relevant=0x%08x HC IRQ cause=0x%08x\n",
                 hc, relevant, hc_irq_cause);
 
-        for (port = port0; port < port0 + last_port; port++) {
+        for (port = port0; port < last_port; port++) {
                 struct ata_port *ap = host->ports[port];
-                struct mv_port_priv *pp = ap->private_data;
+                struct mv_port_priv *pp;
                 int have_err_bits, hard_port, shift;
 
                 if ((!ap) || (ap->flags & ATA_FLAG_DISABLED))
                         continue;
 
+                pp = ap->private_data;
+
                 shift = port << 1;              /* (port * 2) */
                 if (port >= MV_PORTS_PER_HC) {
                         shift++;        /* skip bit 8 in the HC Main IRQ reg */