linux-kernel - Re: [PATCH v2] Staging: tidspbridge: Use hashtable implementation

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Message-ID: <20140105194752.GF5443@mwanda>
Date:	Sun, 5 Jan 2014 22:47:53 +0300
From:	Dan Carpenter <dan.carpenter@...cle.com>
To:	Ivaylo Dimitrov <ivo.g.dimitrov.75@...il.com>
Cc:	gregkh@...uxfoundation.org, omar.ramirez@...itl.com,
	pali.rohar@...il.com, pavel@....cz, linux-kernel@...r.kernel.org,
	devel@...verdev.osuosl.org, Ivaylo Dimitrov <freemangordon@....bg>
Subject: Re: [PATCH v2] Staging: tidspbridge: Use hashtable implementation

Looks much nicer.  I had a few tiny comments, but those could be
addressed in later patches.  (There is a lot of work to be done on this
driver).

On Sun, Jan 05, 2014 at 08:58:12PM +0200, Ivaylo Dimitrov wrote:
> -static u16 name_hash(void *key, u16 max_bucket)
> +static u32 name_hash(const void *key)
>  {
> -	u16 ret;
> -	u16 hash;
> -	char *name = (char *)key;
> +	u32 hash;
> +	const char *name = (const char *)key;
                           ^^^^^^^^^^^^^^

I can't compile this driver, but I'm pretty sure this cast is not
needed.

> -static bool name_match(void *key, void *sp)
> +static bool name_match(const void *key, const void *sp)
>  {
>  	if ((key != NULL) && (sp != NULL)) {
> -		if (strcmp((char *)key, ((struct dbll_symbol *)sp)->name) ==
> -		    0)
> +		if (strcmp((const char *)key,
> +			   ((const struct dbll_symbol *)sp)->name) == 0)
>  			return true;

Unneeded casting.

		if (strcmp(key, ((struct dbll_symbol *)sp)->name) == 0)
			return true;

regards,
dan carpenter
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