Re: [2.6 patch] drivers/ieee1394/raw1394.c: fix a NULL pointer dereference

[Jody McIntyre <scjody@steamballoon.com>]

On Mon, Nov 21, 2005 at 12:52:42AM +0100, Adrian Bunk wrote:

> The coverity checker spotted that this was a NULL pointer dereference in 
> the "if (copy_from_user(...))" case since the next step is to 
> kfree(cache->filled_head).
> 
> There's no need to free cache at this point, and it's getting free'd 
> later.

Applied.

Cheers,
Jody

> 
> 
> Signed-off-by: Adrian Bunk <bunk@stusta.de>
> 
> --- linux-2.6.15-rc1-mm2-full/drivers/ieee1394/raw1394.c.old	2005-11-20 22:08:57.000000000 +0100
> +++ linux-2.6.15-rc1-mm2-full/drivers/ieee1394/raw1394.c	2005-11-21 00:49:38.000000000 +0100
> @@ -2131,7 +2131,6 @@
>  			   req->req.length)) {
>  		csr1212_release_keyval(fi->csr1212_dirs[dr]);
>  		fi->csr1212_dirs[dr] = NULL;
> -		CSR1212_FREE(cache);
>  		ret = -EFAULT;
>  	} else {
>  		cache->len = req->req.length;
> 
> 
> 
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