[PATCH v4] kernel/crash_core.c : remove redundant check of ck_cmdline

[PATCH v4] kernel/crash_core.c : remove redundant check of ck_cmdline

[lizhe]

At the end of get_last_crashkernel(), the judgement of ck_cmdline is
obviously unnecessary and causes redundance, let's clean it up.

Signed-off-by: lizhe <sensor1010@163.com>
Acked-by: Baoquan He <bhe@redhat.com>
Acked-by: Philipp Rudo <prudo@redhat.com>
---
 kernel/crash_core.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/kernel/crash_core.c b/kernel/crash_core.c
index 256cf6db573c..c232f01a2c54 100644
--- a/kernel/crash_core.c
+++ b/kernel/crash_core.c
@@ -222,9 +222,6 @@ static __init char *get_last_crashkernel(char *cmdline,
 		p = strstr(p+1, name);
 	}
 
-	if (!ck_cmdline)
-		return NULL;
-
 	return ck_cmdline;
 }
 
-- 
2.25.1

Re: [PATCH v4] kernel/crash_core.c : remove redundant check of ck_cmdline

[Baoquan He]

Add Andrew to CC list

On 05/05/22 at 09:32pm, lizhe wrote:
> At the end of get_last_crashkernel(), the judgement of ck_cmdline is
> obviously unnecessary and causes redundance, let's clean it up.
> 
> Signed-off-by: lizhe <sensor1010@163.com>
> Acked-by: Baoquan He <bhe@redhat.com>
> Acked-by: Philipp Rudo <prudo@redhat.com>
> ---
>  kernel/crash_core.c | 3 ---
>  1 file changed, 3 deletions(-)
> 
> diff --git a/kernel/crash_core.c b/kernel/crash_core.c
> index 256cf6db573c..c232f01a2c54 100644
> --- a/kernel/crash_core.c
> +++ b/kernel/crash_core.c
> @@ -222,9 +222,6 @@ static __init char *get_last_crashkernel(char *cmdline,
>  		p = strstr(p+1, name);
>  	}
>  
> -	if (!ck_cmdline)
> -		return NULL;
> -
>  	return ck_cmdline;
>  }
>  
> -- 
> 2.25.1
> 

Re: [PATCH v4] kernel/crash_core.c : remove redundant check of ck_cmdline

[Kari Argillander]

On 6.5.2022 7.32, lizhe wrote:
> At the end of get_last_crashkernel(), the judgement of ck_cmdline is
> obviously unnecessary and causes redundance, let's clean it up.
> 
> Signed-off-by: lizhe <sensor1010@163.com>

Signed off by should be real name. Greg ask this already, but you did
not ever answer [1].

[1]: https://lore.kernel.org/lkml/Yi2nfjH7aph6CuiX@kroah.com/

> Acked-by: Baoquan He <bhe@redhat.com>
> Acked-by: Philipp Rudo <prudo@redhat.com>
> ---
>   kernel/crash_core.c | 3 ---
>   1 file changed, 3 deletions(-)
> 
> diff --git a/kernel/crash_core.c b/kernel/crash_core.c
> index 256cf6db573c..c232f01a2c54 100644
> --- a/kernel/crash_core.c
> +++ b/kernel/crash_core.c
> @@ -222,9 +222,6 @@ static __init char *get_last_crashkernel(char *cmdline,
>   		p = strstr(p+1, name);
>   	}
>   
> -	if (!ck_cmdline)
> -		return NULL;
> -
>   	return ck_cmdline;
>   }
>