Commit 75c6d141 authored Nov 20, 2007 by Cyrill Gorcunov Committed by David S. Miller Dec 05, 2007

[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>

parent 794b26e0

arch/sparc64/kernel/pci_sun4v.c

+4 −0

Original line number	Diff line number	Diff line
		@@ -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;