Re: [PATCH] mac80211: fix memory leak
From: Julian Calaby
Date: Sun Jan 31 2016 - 19:04:54 EST
Hi Sudip,
On Fri, Jan 29, 2016 at 8:49 PM, Sudip Mukherjee
<sudipm.mukherjee@xxxxxxxxx> wrote:
> On error we jumped to the error label and returned the error code but we
> missed releasing sinfo.
>
> Signed-off-by: Sudip Mukherjee <sudip@xxxxxxxxxxxxxxx>
Should the From: and Signed-off-by: email addresses be the same?
> ---
> net/mac80211/sta_info.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
> index 6c198e6..36e75c4 100644
> --- a/net/mac80211/sta_info.c
> +++ b/net/mac80211/sta_info.c
> @@ -561,6 +561,7 @@ static int sta_info_insert_finish(struct sta_info *sta) __acquires(RCU)
> __cleanup_single_sta(sta);
> out_err:
> mutex_unlock(&local->sta_mtx);
> + kfree(sinfo);
> rcu_read_lock();
> return err;
> }
Looks sane to me. I must note that the bug this is fixing is only in
the mac80211-next tree.
Fixes: 5fe74014172d ("mac80211: avoid excessive stack usage in sta_info")
Reviewed-by: Julian Calaby <julian.calaby@xxxxxxxxx>
Thanks,
--
Julian Calaby
Email: julian.calaby@xxxxxxxxx
Profile: http://www.google.com/profiles/julian.calaby/