Re: [RFC][PATCH 6/7] trace: constify filter_parse_regex(), match_records(), ftrace_match() and ftrace_match_record()

[Steven Rostedt]

On Thu,  5 Feb 2015 19:56:39 +0000
Al Viro <viro@xxxxxxxxxxxxxxxxxx> wrote:

> @@ -345,12 +346,11 @@ enum regex_type filter_parse_regex(char *buff, int *len, char **search, int *not
>  					type = MATCH_MIDDLE_ONLY;
>  				else
>  					type = MATCH_FRONT_ONLY;
> -				buff[i] = 0;
>  				break;
>  			}
>  		}
>  	}
> -	*len = strlen(*search);
> +	*len = buff + i - *search;

Heh, I guess I didn't need to mention this optimization. I would
recommend that this change goes into patch 5/7. No need to place it
here. It fits better with the previous patch.

-- Steve

>  
>  	return type;
>  }
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