jazzsonic: free irq if sonic_open() fails

jazzsonic_open() doesn't check sonic_open() return code. If it is error
we must free requested IRQ.

Signed-off-by: Kulikov Vasiliy <segooon@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 13 insertions, 4 deletions

diff --git a/drivers/net/jazzsonic.c b/drivers/net/jazzsonic.c
index 3e6aaf9e5ce7..949c1f933644 100644
--- a/drivers/net/jazzsonic.c
+++ b/drivers/net/jazzsonic.c
@@ -82,11 +82,20 @@ static unsigned short known_revisions[] =
 
 static int jazzsonic_open(struct net_device* dev)
 {
-        if (request_irq(dev->irq, sonic_interrupt, IRQF_DISABLED, "sonic", dev)) {
-                printk(KERN_ERR "%s: unable to get IRQ %d.\n", dev->name, dev->irq);
-                return -EAGAIN;
+        int retval;
+
+        retval = request_irq(dev->irq, sonic_interrupt, IRQF_DISABLED,
+                                "sonic", dev);
+        if (retval) {
+                printk(KERN_ERR "%s: unable to get IRQ %d.\n",
+                                dev->name, dev->irq);
+                return retval;
         }
-        return sonic_open(dev);
+
+        retval = sonic_open(dev);
+        if (retval)
+                free_irq(dev->irq, dev);
+        return retval;
 }
 
 static int jazzsonic_close(struct net_device* dev)