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batman-adv: Delete unnecessary checks before the function call "kfree_skb" 

The kfree_skb() function tests whether its argument is NULL and then
returns immediately. Thus the test around the calls is not needed.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
Signed-off-by: Antonio Quartulli <a@unstable.cc>
This commit is contained in:
Markus Elfring 2015-11-15 08:04:43 +01:00 committed by Antonio Quartulli
parent d737ccbed3
commit c799443ee1
3 changed files with 3 additions and 6 deletions
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2
net/batman-adv/main.c
View File

@ -1184,7 +1184,7 @@ void batadv_tvlv_unicast_send(struct batadv_priv *bat_priv, u8 *src,
ret = true;
out:
if (skb && !ret)
if (!ret)
kfree_skb(skb);
if (orig_node)
batadv_orig_node_free_ref(orig_node);

4
net/batman-adv/network-coding.c
View File

@ -244,9 +244,7 @@ static void batadv_nc_path_free_ref(struct batadv_nc_path *nc_path)
*/
static void batadv_nc_packet_free(struct batadv_nc_packet *nc_packet)
{
if (nc_packet->skb)
kfree_skb(nc_packet->skb);
kfree_skb(nc_packet->skb);
batadv_nc_path_free_ref(nc_packet->nc_path);
kfree(nc_packet);
}

3
net/batman-adv/send.c
View File

@ -407,8 +407,7 @@ void batadv_schedule_bat_ogm(struct batadv_hard_iface *hard_iface)
static void batadv_forw_packet_free(struct batadv_forw_packet *forw_packet)
{
if (forw_packet->skb)
kfree_skb(forw_packet->skb);
kfree_skb(forw_packet->skb);
if (forw_packet->if_incoming)
batadv_hardif_free_ref(forw_packet->if_incoming);
if (forw_packet->if_outgoing)