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* [PATCH linux-next] alpha:smp: fix warning comparing pointer to 0
@ 2021-08-23 1:49 CGEL
2021-08-23 2:01 ` Matt Turner
0 siblings, 1 reply; 2+ messages in thread
From: CGEL @ 2021-08-23 1:49 UTC (permalink / raw)
To: Richard Henderson
Cc: Ivan Kokshaysky, Matt Turner, linux-alpha, linux-kernel,
Jing Yangyang, Zeal Robot
From: Jing Yangyang <jing.yangyang@zte.com.cn>
Fix the following coccicheck warning:
./arch/alpha/kernel/smp.c:271:39-40:
WARNING:comparing pointer to 0
Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: Jing Yangyang <jing.yangyang@zte.com.cn>
---
arch/alpha/kernel/smp.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/alpha/kernel/smp.c b/arch/alpha/kernel/smp.c
index cb64e47..adc05c2 100644
--- a/arch/alpha/kernel/smp.c
+++ b/arch/alpha/kernel/smp.c
@@ -268,7 +268,7 @@ enum ipi_message_type {
memcpy(cp2, cp1, cnt);
cp2[cnt] = '\0';
- while ((cp2 = strchr(cp2, '\r')) != 0) {
+ while ((cp2 = strchr(cp2, '\r'))) {
*cp2 = ' ';
if (cp2[1] == '\n')
cp2[1] = ' ';
--
1.8.3.1
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH linux-next] alpha:smp: fix warning comparing pointer to 0
2021-08-23 1:49 [PATCH linux-next] alpha:smp: fix warning comparing pointer to 0 CGEL
@ 2021-08-23 2:01 ` Matt Turner
0 siblings, 0 replies; 2+ messages in thread
From: Matt Turner @ 2021-08-23 2:01 UTC (permalink / raw)
To: CGEL
Cc: Richard Henderson, Ivan Kokshaysky, linux-alpha, LKML,
Jing Yangyang, Zeal Robot
On Sun, Aug 22, 2021 at 6:49 PM CGEL <cgel.zte@gmail.com> wrote:
>
> From: Jing Yangyang <jing.yangyang@zte.com.cn>
>
> Fix the following coccicheck warning:
> ./arch/alpha/kernel/smp.c:271:39-40:
> WARNING:comparing pointer to 0
>
> Reported-by: Zeal Robot <zealci@zte.com.cn>
> Signed-off-by: Jing Yangyang <jing.yangyang@zte.com.cn>
> ---
> arch/alpha/kernel/smp.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/alpha/kernel/smp.c b/arch/alpha/kernel/smp.c
> index cb64e47..adc05c2 100644
> --- a/arch/alpha/kernel/smp.c
> +++ b/arch/alpha/kernel/smp.c
> @@ -268,7 +268,7 @@ enum ipi_message_type {
> memcpy(cp2, cp1, cnt);
> cp2[cnt] = '\0';
>
> - while ((cp2 = strchr(cp2, '\r')) != 0) {
You may as well compare with NULL, for clarity.
^ permalink raw reply [flat|nested] 2+ messages in thread
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2021-08-23 1:49 [PATCH linux-next] alpha:smp: fix warning comparing pointer to 0 CGEL
2021-08-23 2:01 ` Matt Turner
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