Subject: [PATCH] Possible VIA-Rhine free irq issue
Newsgroups: gmane.linux.kernel
Date: 2005-02-28 13:50:32 GMT (3 years, 32 weeks, 5 days, 13 hours and 15 minutes ago)
Hi,
It seems to me that in the VIA Rhine device driver the requested irq might
not be freed in case the alloc_ring() function fails. alloc_ring()
can fail with a ENOMEM return value because of possible
pci_alloc_consistent() failures.
This patch applies to 2.6.11-rc5-bk2.
diff -uprN linux-2.6.11-rc5-bk2/drivers/net/via-rhine.c linux-2.6.11-rc5-bk2-pi/drivers/net/via-rhine.c
--- linux-2.6.11-rc5-bk2/drivers/net/via-rhine.c 2005-02-28 13:44:37.000000000 +0100
+++ linux-2.6.11-rc5-bk2-pi/drivers/net/via-rhine.c 2005-02-28 13:44:31.000000000 +0100
@@ -1198,7 +1198,10 @@ static int rhine_open(struct net_device
rc = alloc_ring(dev);
if (rc)
+ {
+ free_irq(rp->pdev->irq, dev);
return rc;
+ }
alloc_rbufs(dev);
alloc_tbufs(dev);
rhine_chip_reset(dev);
With friendly regards,
Takis
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