Re: [PATCH] PPC: CHRP - fix possible NULL pointer dereference

From: Stephen Rothwell
Date: Thu Nov 22 2007 - 18:17:13 EST


On Thu, 22 Nov 2007 22:54:23 +0300 Cyrill Gorcunov <gorcunov@xxxxxxxxx> wrote:
>
> This patch does fix possible NULL pointer dereference
> inside of strncmp() if of_get_property() failed.

Thanks for this.

> static void __init sio_init(void)
> {
> struct device_node *root;
> + const char *model = NULL;

You don't need this initialization as you always assign the variable
before you use it.

> + root = of_find_node_by_path("/");
> + if (root) {

if (!root)
return;

would save a level of indentation. Not important.

--
Cheers,
Stephen Rothwell sfr@xxxxxxxxxxxxxxxx
http://www.canb.auug.org.au/~sfr/

Attachment: pgp00000.pgp
Description: PGP signature