[PATCH -next] powerpc/maple: fix comparing pointer to 0

[Chen Zhou]

Fixes coccicheck warning:
./arch/powerpc/platforms/maple/setup.c:232:15-16:
        WARNING comparing pointer to 0

Compare pointer-typed values to NULL rather than 0.

Signed-off-by: Chen Zhou <chenzho...@huawei.com>
---
 arch/powerpc/platforms/maple/setup.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/powerpc/platforms/maple/setup.c 
b/arch/powerpc/platforms/maple/setup.c
index 47f7310..00a0780 100644
--- a/arch/powerpc/platforms/maple/setup.c
+++ b/arch/powerpc/platforms/maple/setup.c
@@ -229,7 +229,7 @@ static void __init maple_init_IRQ(void)
        root = of_find_node_by_path("/");
        naddr = of_n_addr_cells(root);
        opprop = of_get_property(root, "platform-open-pic", &opplen);
-       if (opprop != 0) {
+       if (opprop) {
                openpic_addr = of_read_number(opprop, naddr);
                has_isus = (opplen > naddr);
                printk(KERN_DEBUG "OpenPIC addr: %lx, has ISUs: %d\n",
-- 
2.7.4