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authorKulikov Vasiliy <segooon@gmail.com>2010-07-10 01:39:06 +0000
committerDavid S. Miller <davem@davemloft.net>2010-07-12 20:21:44 -0700
commit546e3abde391ef01ef4690e941611654343ea0bf (patch)
treef76dd44d1fe7d5d2f06fa178ca82033c09bf3ef5 /drivers/net
parentjazzsonic: free irq if sonic_open() fails (diff)
downloadlinux-dev-546e3abde391ef01ef4690e941611654343ea0bf.tar.xz
linux-dev-546e3abde391ef01ef4690e941611654343ea0bf.zip
macsonic: free irqs if sonic_open() fails
macsonic_open() doesn't check sonic_open() return code. If it is error we must free requested IRQs. Signed-off-by: Kulikov Vasiliy <segooon@gmail.com> Signed-off-by: Dan Carpenter <error27@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/macsonic.c37
1 files changed, 28 insertions, 9 deletions
diff --git a/drivers/net/macsonic.c b/drivers/net/macsonic.c
index adb54fe2d82a..c93679ee6994 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)