From: Sven Eckelmann [mailto:sven@narfation.org] Sent: Friday, June 9, 2017 3:23 PM Subject: Re: [B.A.T.M.A.N.] [PATCH net] net: batman-adv: Fix possible
memleaks
when fail to register_netdevice
On Dienstag, 25. April 2017 20:03:20 CEST gfree.wind@foxmail.com wrote:
From: Gao Feng fgao@ikuai8.com
Because the func batadv_softif_init_late allocate some resources and it would be invoked in register_netdevice. So we need to invoke the func batadv_softif_free instead of free_netdev to cleanup when fail to register_netdevice.
Signed-off-by: Gao Feng fgao@ikuai8.com
net/batman-adv/soft-interface.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/batman-adv/soft-interface.c b/net/batman-adv/soft-interface.c index d042c99..90bf990 100644 --- a/net/batman-adv/soft-interface.c +++ b/net/batman-adv/soft-interface.c @@ -1011,7 +1011,7 @@ struct net_device *batadv_softif_create(struct net
*net, const char *name)
if (ret < 0) { pr_err("Unable to register the batman interface '%s': %i\n", name, ret);
free_netdev(soft_iface);
return NULL; }batadv_softif_free(soft_iface);
It looks to me like this change is invalid after David's change [1]. Can
you
confirm that?
Thanks, Sven
[1]
https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git/commit/?id=cf1
24db566e6b036b8bcbe8decbed740bdfac8c6
[Gao Feng]
yes, this change is unnecessary.
Best Regards Feng