Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9ac0ce8596b17093739d42721cc8a616cedf734b
Commit: 9ac0ce8596b17093739d42721cc8a616cedf734b
Parent: 1597cacbe39802d86656d1f2e6329895bd2ef531
Author: Jesper Juhl <[EMAIL PROTECTED]>
AuthorDate: Mon Dec 4 15:14:48 2006 -0800
Committer: Greg Kroah-Hartman <[EMAIL PROTECTED]>
CommitDate: Wed Dec 20 10:54:43 2006 -0800
PCI: Be a bit defensive in quirk_nvidia_ck804() so we don't risk
dereferencing a NULL pdev.
pci_get_slot() may return NULL if nothing was found. quirk_nvidia_ck804()
does not check the value returned from pci_get_slot(), so it may end up
causing a NULL pointer deref.
Signed-off-by: Jesper Juhl <[EMAIL PROTECTED]>
Acked-by: Alan Cox <[EMAIL PROTECTED]>
Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
Signed-off-by: Greg Kroah-Hartman <[EMAIL PROTECTED]>
---
drivers/pci/quirks.c | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index 30c41fc..8a2db01 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -1743,6 +1743,8 @@ static void __devinit
quirk_nvidia_ck804_msi_ht_cap(struct pci_dev *dev)
* a single one having MSI is enough to be sure that MSI are supported.
*/
pdev = pci_get_slot(dev->bus, 0);
+ if (!pdev)
+ return;
if (!msi_ht_cap_enabled(dev) && !msi_ht_cap_enabled(pdev)) {
printk(KERN_WARNING "PCI: MSI quirk detected. "
"MSI disabled on chipset %s.\n",
-
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