Re: [PATCH 1/4] ftrace: Fix MATCH_END_ONLY filter matching

[Frederic Riss]

2009/12/11 Li Zefan <lizf@xxxxxxxxxxxxxx>:
> For '*foo' pattern, we should allow any string ending with
> 'foo', but ftrace filter incorrectly disallows strings
> like bar_foo_foo:
[...]
>        case MATCH_END_ONLY:
> -               ptr = strstr(str, regex);
> -               if (ptr && (ptr[len] == 0))
> +               slen = strlen(str);
> +               if (slen >= len && memcpy(str + slen - len, regex, len))
>                        matched = 1;

Shouldn't that be memcmp() == 0? I don't see how memcpy might serve as
a compare operator.

Fred.
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