macsonic_open() doesn't check sonic_open() return code. If it is error
we must free requested IRQs.
Signed-off-by: Kulikov Vasiliy <segooon@xxxxxxxxx>
Signed-off-by: Dan Carpenter <error27@xxxxxxxxx>
---
drivers/net/macsonic.c | 37 ++++++++++++++++++++++++++++---------
1 files changed, 28 insertions(+), 9 deletions(-)
diff --git a/drivers/net/macsonic.c b/drivers/net/macsonic.c
index adb54fe..c93679e 100644
--- a/drivers/net/macsonic.c
+++ b/drivers/net/macsonic.c
@@ -140,21 +140,40 @@ static irqreturn_t macsonic_interrupt(int irq, void *dev_id)
static int macsonic_open(struct net_device* dev)
{
- if (request_irq(dev->irq, sonic_interrupt, IRQ_FLG_FAST, "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, IRQ_FLG_FAST,
+ "sonic", dev);
+ if (retval) {
+ printk(KERN_ERR "%s: unable to get IRQ %d.\n",
+ dev->name, dev->irq);
+ goto err;
}
/* Under the A/UX interrupt scheme, the onboard SONIC interrupt comes
* in at priority level 3. However, we sometimes get the level 2 inter-
* rupt as well, which must prevent re-entrance of the sonic handler.
*/
- if (dev->irq == IRQ_AUTO_3)
- if (request_irq(IRQ_NUBUS_9, macsonic_interrupt, IRQ_FLG_FAST, "sonic", dev)) {
- printk(KERN_ERR "%s: unable to get IRQ %d.\n", dev->name, IRQ_NUBUS_9);
- free_irq(dev->irq, dev);
- return -EAGAIN;
+ if (dev->irq == IRQ_AUTO_3) {
+ retval = request_irq(IRQ_NUBUS_9, macsonic_interrupt,
+ IRQ_FLG_FAST, "sonic", dev);
+ if (retval) {
+ printk(KERN_ERR "%s: unable to get IRQ %d.\n",
+ dev->name, IRQ_NUBUS_9);
+ goto err_irq;
}
- return sonic_open(dev);
+ }
+ retval = sonic_open(dev);
+ if (retval)
+ goto err_irq_nubus;
+ return 0;
+
+err_irq_nubus:
+ if (dev->irq == IRQ_AUTO_3)
+ free_irq(IRQ_NUBUS_9, dev);
+err_irq:
+ free_irq(dev->irq, dev);
+err:
+ return retval;
}
static int macsonic_close(struct net_device* dev)
--
1.7.0.4
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