Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=75c6d1410caa6fea861ef3802e8b186f7685f235
Commit: 75c6d1410caa6fea861ef3802e8b186f7685f235
Parent: 794b26e0600e3aab399f9d0f225f9e0b8782edbb
Author: Cyrill Gorcunov <[EMAIL PROTECTED]>
AuthorDate: Tue Nov 20 17:32:19 2007 -0800
Committer: David S. Miller <[EMAIL PROTECTED]>
CommitDate: Wed Dec 5 05:37:59 2007 -0800
[SPARC64]: check for possible NULL pointer dereference
This patch adds checking for possible NULL pointer dereference
if of_find_property() failed.
Signed-off-by: Cyrill Gorcunov <[EMAIL PROTECTED]>
Signed-off-by: David S. Miller <[EMAIL PROTECTED]>
---
arch/sparc64/kernel/pci_sun4v.c | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/arch/sparc64/kernel/pci_sun4v.c b/arch/sparc64/kernel/pci_sun4v.c
index 8c4875b..e587a37 100644
--- a/arch/sparc64/kernel/pci_sun4v.c
+++ b/arch/sparc64/kernel/pci_sun4v.c
@@ -1022,6 +1022,10 @@ void __init sun4v_pci_init(struct device_node *dp, char
*model_name)
}
prop = of_find_property(dp, "reg", NULL);
+ if (!prop) {
+ prom_printf("SUN4V_PCI: Could not find config registers\n");
+ prom_halt();
+ }
regs = prop->value;
devhandle = (regs->phys_addr >> 32UL) & 0x0fffffff;
-
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