lkml.org 
[lkml]   [2008]   [May]   [12]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 4/6] drivers/net/fs_enet: remove null pointer dereference
Julia Lawall <julia@diku.dk> :
[...]
> diff -u -p a/drivers/net/fs_enet/fs_enet-main.c b/drivers/net/fs_enet/fs_enet-main.c
> --- a/drivers/net/fs_enet/fs_enet-main.c 2008-04-27 11:41:11.000000000 +0200
> +++ b/drivers/net/fs_enet/fs_enet-main.c 2008-05-12 09:41:52.000000000 +0200
> @@ -1093,7 +1093,7 @@ err:
> if (registered)
> unregister_netdev(ndev);
>
> - if (fep != NULL) {
> + if (fep && fep->ops) {
> (*fep->ops->free_bd)(ndev);
> (*fep->ops->cleanup_data)(ndev);
> }

Extra cookies for the nice soul who:
- removes the 'if (registered)' test (it can not happen)
- uses different error lablels and unrolls the error path. I can not claim
that the current error path is wrong but it would not hurt if it was more
trivially balanced.

--
Ueimor


\
 
 \ /
  Last update: 2008-05-12 19:17    [W:3.274 / U:0.008 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site