Sparse reports a warning that 'envp_init' has no prior
declaration:

  warning: symbol 'envp_init' was not declared. Should it be static?

The variable is only used within init/main.c and does not
need external linkage. Mark it as static to limit its scope
and fix the sparse warning.

Signed-off-by: Sameeksha Sankpal <sameekshasankpal@gmail.com>
---
 init/main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/init/main.c b/init/main.c
index 07a3116811c5..792ab00e62e6 100644
--- a/init/main.c
+++ b/init/main.c
@@ -191,7 +191,7 @@ static int __init set_reset_devices(char *str)
 __setup("reset_devices", set_reset_devices);
 
 static const char *argv_init[MAX_INIT_ARGS+2] = { "init", NULL, };
-const char *envp_init[MAX_INIT_ENVS+2] = { "HOME=/", "TERM=linux", NULL, };
+static const char *envp_init[MAX_INIT_ENVS+2] = { "HOME=/", "TERM=linux", NULL, };
 static const char *panic_later, *panic_param;
 
 static bool __init obsolete_checksetup(char *line)
-- 
2.43.0

On Sat, Nov 29, 2025 at 12:46:50AM +0530, Sameeksha Sankpal wrote:
> Sparse reports a warning that 'envp_init' has no prior
> declaration:
> 
>   warning: symbol 'envp_init' was not declared. Should it be static?
> 
> The variable is only used within init/main.c and does not
> need external linkage. Mark it as static to limit its scope
> and fix the sparse warning.

It's used in do_mounts_initrd::handle_initrd()

> 
> Signed-off-by: Sameeksha Sankpal <sameekshasankpal@gmail.com>
> ---
>  init/main.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/init/main.c b/init/main.c
> index 07a3116811c5..792ab00e62e6 100644
> --- a/init/main.c
> +++ b/init/main.c
> @@ -191,7 +191,7 @@ static int __init set_reset_devices(char *str)
>  __setup("reset_devices", set_reset_devices);
>  
>  static const char *argv_init[MAX_INIT_ARGS+2] = { "init", NULL, };
> -const char *envp_init[MAX_INIT_ENVS+2] = { "HOME=/", "TERM=linux", NULL, };
> +static const char *envp_init[MAX_INIT_ENVS+2] = { "HOME=/", "TERM=linux", NULL, };
>  static const char *panic_later, *panic_param;
>  
>  static bool __init obsolete_checksetup(char *line)
> -- 
> 2.43.0
> 

-- 
Sincerely yours,
Mike.