# \[PATCH\] powerpc/pci: fix warning comparing pointer to 0

- Subsystems: LINUX FOR POWERPC (32-BIT AND 64-BIT), THE REST
- Maintainers: Madhavan Srinivasan, Linus Torvalds
- Status: LANDED (7a0fdc19f241 · 2021-03-29 02:22)
- Landed in mainline as 7a0fdc19f241 on 2021-03-29.
- List: linuxppc-dev
- 2 messages, 2 authors
- Page: https://ratatoskr.run/linuxppc-dev/2021/03/6300113/t

## \[PATCH\] powerpc/pci: fix warning comparing pointer to 0

- From: Jiapeng Chong \<hidden\>
- Date: 2021-03-15 07:36:16 
- Message: https://ratatoskr.run/linuxppc-dev/2021/03/6300113.md

```text
Fix the following coccicheck warning:

./arch/powerpc/platforms/maple/pci.c:37:16-17: WARNING comparing pointer
to 0.

Reported-by: Abaci Robot <redacted>
Signed-off-by: Jiapeng Chong <redacted>
---
 arch/powerpc/platforms/maple/pci.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/powerpc/platforms/maple/pci.c b/arch/powerpc/platforms/maple/pci.c
index a20b957..37875e4 100644
--- a/arch/powerpc/platforms/maple/pci.c
+++ b/arch/powerpc/platforms/maple/pci.c
@@ -34,7 +34,7 @@
 
 static int __init fixup_one_level_bus_range(struct device_node *node, int higher)
 {
-	for (; node != 0;node = node->sibling) {
+	for (; node; node = node->sibling) {
 		const int *bus_range;
 		const unsigned int *class_code;
 		int len;
-- 
1.8.3.1

```

## Re: \[PATCH\] powerpc/pci: fix warning comparing pointer to 0

- From: Michael Ellerman \<hidden\>
- Date: 2021-03-31 01:11:02 
- Message: https://ratatoskr.run/linuxppc-dev/2021/03/6321966.md

```text
On Mon, 15 Mar 2021 15:35:24 +0800, Jiapeng Chong wrote:
> Fix the following coccicheck warning:
> 
> ./arch/powerpc/platforms/maple/pci.c:37:16-17: WARNING comparing pointer
> to 0.

Applied to powerpc/next.

[1/1] powerpc/pci: fix warning comparing pointer to 0
      https://git.kernel.org/powerpc/c/7a0fdc19f2415683f403abee7bb87085d0c624ad

cheers
```