* [PATCH] macintosh: Fix warning comparing pointer to 0
@ 2022-02-14 1:05 Yang Li
0 siblings, 0 replies; 4+ messages in thread
From: Yang Li @ 2022-02-14 1:05 UTC (permalink / raw)
To: benh; +Cc: linuxppc-dev, linux-kernel, Yang Li, Abaci Robot
Fix the following coccicheck warnings:
./drivers/macintosh/via-cuda.c:240:16-17: WARNING comparing pointer to 0
./drivers/macintosh/via-cuda.c:243:16-17: WARNING comparing pointer to
0, suggest !E
./drivers/macintosh/via-cuda.c:521:23-24: WARNING comparing pointer to 0
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Yang Li <yang.lee@linux.alibaba.com>
---
drivers/macintosh/via-cuda.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/macintosh/via-cuda.c b/drivers/macintosh/via-cuda.c
index 3d0d0b9d471d..a9feb7d5a068 100644
--- a/drivers/macintosh/via-cuda.c
+++ b/drivers/macintosh/via-cuda.c
@@ -237,10 +237,10 @@ int __init find_via_cuda(void)
const u32 *reg;
int err;
- if (vias != 0)
+ if (vias)
return 1;
vias = of_find_node_by_name(NULL, "via-cuda");
- if (vias == 0)
+ if (!vias)
return 0;
reg = of_get_property(vias, "reg", NULL);
@@ -518,7 +518,7 @@ cuda_write(struct adb_request *req)
req->reply_len = 0;
spin_lock_irqsave(&cuda_lock, flags);
- if (current_req != 0) {
+ if (current_req) {
last_req->next = req;
last_req = req;
} else {
--
2.20.1.7.g153144c
^ permalink raw reply related [flat|nested] 4+ messages in thread
* Re: [PATCH] macintosh: Fix warning comparing pointer to 0
2022-11-06 16:08 ` Christophe JAILLET
@ 2022-11-06 17:13 ` Christophe Leroy
0 siblings, 0 replies; 4+ messages in thread
From: Christophe Leroy @ 2022-11-06 17:13 UTC (permalink / raw)
To: Christophe JAILLET, wangkailong, benh, mpe; +Cc: linuxppc-dev, linux-kernel
Le 06/11/2022 à 17:08, Christophe JAILLET a écrit :
> Le 06/11/2022 à 16:18, wangkailong@jari.cn a écrit :
>> Fix the following coccicheck warning:
>>
>> drivers/macintosh/macio-adb.c:103:13-14: WARNING comparing pointer to 0.
>>
>> Signed-off-by: KaiLong Wang <wangkailong@jari.cn>
We already have such patches awaiting for application, see
https://patchwork.ozlabs.org/project/linuxppc-dev/list/?submitter=83647
Please check patchwork before submitting such fixes as they may already
exist.
Thanks
Christophe
>> ---
>> drivers/macintosh/macio-adb.c | 2 +-
>> 1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/drivers/macintosh/macio-adb.c
>> b/drivers/macintosh/macio-adb.c
>> index 9b63bd2551c6..1c1c375a817d 100644
>> --- a/drivers/macintosh/macio-adb.c
>> +++ b/drivers/macintosh/macio-adb.c
>> @@ -100,7 +100,7 @@ int macio_init(void)
>> unsigned int irq;
>> adbs = of_find_compatible_node(NULL, "adb", "chrp,adb0");
>> - if (adbs == 0)
>> + if (adbs)
>
> Hi
> no, this should be "if (!adbs)"
>
> CJ
>
>> return -ENXIO;
>> if (of_address_to_resource(adbs, 0, &r)) {
>
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH] macintosh: Fix warning comparing pointer to 0
2022-11-06 15:18 wangkailong
@ 2022-11-06 16:08 ` Christophe JAILLET
2022-11-06 17:13 ` Christophe Leroy
0 siblings, 1 reply; 4+ messages in thread
From: Christophe JAILLET @ 2022-11-06 16:08 UTC (permalink / raw)
To: wangkailong, benh, christophe.leroy, mpe; +Cc: linuxppc-dev, linux-kernel
Le 06/11/2022 à 16:18, wangkailong@jari.cn a écrit :
> Fix the following coccicheck warning:
>
> drivers/macintosh/macio-adb.c:103:13-14: WARNING comparing pointer to 0.
>
> Signed-off-by: KaiLong Wang <wangkailong@jari.cn>
> ---
> drivers/macintosh/macio-adb.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/macintosh/macio-adb.c b/drivers/macintosh/macio-adb.c
> index 9b63bd2551c6..1c1c375a817d 100644
> --- a/drivers/macintosh/macio-adb.c
> +++ b/drivers/macintosh/macio-adb.c
> @@ -100,7 +100,7 @@ int macio_init(void)
> unsigned int irq;
>
> adbs = of_find_compatible_node(NULL, "adb", "chrp,adb0");
> - if (adbs == 0)
> + if (adbs)
Hi
no, this should be "if (!adbs)"
CJ
> return -ENXIO;
>
> if (of_address_to_resource(adbs, 0, &r)) {
^ permalink raw reply [flat|nested] 4+ messages in thread
* [PATCH] macintosh: Fix warning comparing pointer to 0
@ 2022-11-06 15:18 wangkailong
2022-11-06 16:08 ` Christophe JAILLET
0 siblings, 1 reply; 4+ messages in thread
From: wangkailong @ 2022-11-06 15:18 UTC (permalink / raw)
To: benh, christophe.leroy, mpe; +Cc: linuxppc-dev, linux-kernel
Fix the following coccicheck warning:
drivers/macintosh/macio-adb.c:103:13-14: WARNING comparing pointer to 0.
Signed-off-by: KaiLong Wang <wangkailong@jari.cn>
---
drivers/macintosh/macio-adb.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/macintosh/macio-adb.c b/drivers/macintosh/macio-adb.c
index 9b63bd2551c6..1c1c375a817d 100644
--- a/drivers/macintosh/macio-adb.c
+++ b/drivers/macintosh/macio-adb.c
@@ -100,7 +100,7 @@ int macio_init(void)
unsigned int irq;
adbs = of_find_compatible_node(NULL, "adb", "chrp,adb0");
- if (adbs == 0)
+ if (adbs)
return -ENXIO;
if (of_address_to_resource(adbs, 0, &r)) {
--
2.25.1
^ permalink raw reply related [flat|nested] 4+ messages in thread
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2022-11-06 15:18 wangkailong
2022-11-06 16:08 ` Christophe JAILLET
2022-11-06 17:13 ` Christophe Leroy
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