diff options
| author | Cyrill Gorcunov <gorcunov@gmail.com> | 2007-11-20 17:32:19 -0800 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2007-12-05 05:37:59 -0800 |
| commit | 75c6d1410caa6fea861ef3802e8b186f7685f235 (patch) | |
| tree | 1ffd0155b9fd658df6e63c907aa2da642c0ee39b /arch/sparc64/kernel/pci_sun4v.c | |
| parent | 794b26e0600e3aab399f9d0f225f9e0b8782edbb (diff) | |
[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 <gorcunov@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc64/kernel/pci_sun4v.c')
| -rw-r--r-- | 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 8c4875bdb4a8..e587a372f3fe 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; |