pata_at91: call clk_put() on ata_host_activate() failure

pata_at91_probe() forgets to call clk_put() iff ata_host_activate() fails...

Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>

1 files changed, 4 insertions, 1 deletions

diff --git a/drivers/ata/pata_at91.c b/drivers/ata/pata_at91.c
index 960c7257139..c6d14090a42 100644
--- a/drivers/ata/pata_at91.c
+++ b/drivers/ata/pata_at91.c
@@ -414,10 +414,13 @@ static int __devinit pata_at91_probe(struct platform_device *pdev)
 
         host->private_data = info;
 
-        return ata_host_activate(host, irq ? gpio_to_irq(irq) : 0,
+        ret = ata_host_activate(host, irq ? gpio_to_irq(irq) : 0,
                         irq ? ata_sff_interrupt : NULL,
                         irq_flags, &pata_at91_sht);
 
+        if (!ret)
+                return 0;
+
 err_put:
         clk_put(info->mck);
         return ret;