linux-kernel - Re: iwlagn: memory corruption with WPA enterprise

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Message-ID: <4EBC038C.1050700@lwfinger.net>
Date:	Thu, 10 Nov 2011 11:02:04 -0600
From:	Larry Finger <Larry.Finger@...inger.net>
To:	Tomáš Janoušek <tomi@...i.cz>
CC:	"Guy, Wey-Yi" <wey-yi.w.guy@...el.com>,
	Stanislaw Gruszka <sgruszka@...hat.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-wireless@...r.kernel.org" <linux-wireless@...r.kernel.org>
Subject: Re: iwlagn: memory corruption with WPA enterprise

On 11/10/2011 10:42 AM, Tomáš Janoušek wrote:
> (Don't be scared by the vboxdrv messages. Those modules don't compile with
> 3.2-rc1, and the bug happens there as well.)

The following patch will fix the 3.2-rc1 build problem.

Index: vboxhost/vboxpci/linux/VBoxPci-linux.c
===================================================================
--- vboxhost.orig/vboxpci/linux/VBoxPci-linux.c
+++ vboxhost/vboxpci/linux/VBoxPci-linux.c
@@ -146,7 +146,11 @@ static int __init VBoxPciLinuxInit(void)
  #endif

  #ifdef VBOX_WITH_IOMMU
+# if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 2, 0)
+    if (iommu_present(&pci_bus_type))
+#else
      if (iommu_found())
+#endif
          printk(KERN_INFO "vboxpci: IOMMU found\n");
      else
          printk(KERN_INFO "vboxpci: IOMMU not found (not registered)\n");
@@ -984,9 +988,15 @@ int  vboxPciOsInitVm(PVBOXRAWPCIDRVVM pT
      printk(KERN_DEBUG "vboxPciOsInitVm: %p\n", pThis);
  #endif
  #ifdef VBOX_WITH_IOMMU
+# if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 2, 0)
+    if (iommu_present(&pci_bus_type))
+    {
+        pThis->pIommuDomain = iommu_domain_alloc(&pci_bus_type);
+#else
      if (iommu_found())
      {
          pThis->pIommuDomain = iommu_domain_alloc();
+#endif
          if (!pThis->pIommuDomain)
          {
              printk(KERN_DEBUG "cannot allocate IOMMU domain\n");


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