Hi!

> [ Upstream commit 8a4c5b2a6d8ea079fa36034e8167de87ab6f8880 ]
> 
> The 'shell' built-in only returns the first 256 bytes of the command's
> output. In some cases, 'shell' is used to return a path; by bumping up
> the buffer size to 4096 this lets us capture up to PATH_MAX.

If the idea is to support up-to PATH_MAX, perhaps open-coded 4096
should be replaced by PATH_MAX in the code, too?

Best regards,
								Pavel

> +++ b/scripts/kconfig/preprocess.c
> @@ -138,7 +138,7 @@ static char *do_lineno(int argc, char *argv[])
>  static char *do_shell(int argc, char *argv[])
>  {
>  	FILE *p;
> -	char buf[256];
> +	char buf[4096];
>  	char *cmd;
>  	size_t nread;
>  	int i;

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