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Diffstat (limited to 'net/batman-adv/unicast.c')
-rw-r--r--net/batman-adv/unicast.c16
1 files changed, 9 insertions, 7 deletions
diff --git a/net/batman-adv/unicast.c b/net/batman-adv/unicast.c
index 00164645b3f..f39723281ca 100644
--- a/net/batman-adv/unicast.c
+++ b/net/batman-adv/unicast.c
@@ -39,6 +39,7 @@ batadv_frag_merge_packet(struct list_head *head,
struct batadv_unicast_packet *unicast_packet;
int hdr_len = sizeof(*unicast_packet);
int uni_diff = sizeof(*up) - hdr_len;
+ uint8_t *packet_pos;
up = (struct batadv_unicast_frag_packet *)skb->data;
/* set skb to the first part and tmp_skb to the second part */
@@ -65,8 +66,8 @@ batadv_frag_merge_packet(struct list_head *head,
kfree_skb(tmp_skb);
memmove(skb->data + uni_diff, skb->data, hdr_len);
- unicast_packet = (struct batadv_unicast_packet *)skb_pull(skb,
- uni_diff);
+ packet_pos = skb_pull(skb, uni_diff);
+ unicast_packet = (struct batadv_unicast_packet *)packet_pos;
unicast_packet->header.packet_type = BATADV_UNICAST;
return skb;
@@ -121,6 +122,7 @@ batadv_frag_search_packet(struct list_head *head,
{
struct batadv_frag_packet_list_entry *tfp;
struct batadv_unicast_frag_packet *tmp_up = NULL;
+ int is_head_tmp, is_head;
uint16_t search_seqno;
if (up->flags & BATADV_UNI_FRAG_HEAD)
@@ -128,6 +130,8 @@ batadv_frag_search_packet(struct list_head *head,
else
search_seqno = ntohs(up->seqno)-1;
+ is_head = !!(up->flags & BATADV_UNI_FRAG_HEAD);
+
list_for_each_entry(tfp, head, list) {
if (!tfp->skb)
@@ -139,9 +143,8 @@ batadv_frag_search_packet(struct list_head *head,
tmp_up = (struct batadv_unicast_frag_packet *)tfp->skb->data;
if (tfp->seqno == search_seqno) {
-
- if ((tmp_up->flags & BATADV_UNI_FRAG_HEAD) !=
- (up->flags & BATADV_UNI_FRAG_HEAD))
+ is_head_tmp = !!(tmp_up->flags & BATADV_UNI_FRAG_HEAD);
+ if (is_head_tmp != is_head)
return tfp;
else
goto mov_tail;
@@ -334,8 +337,7 @@ find_router:
/* copy the destination for faster routing */
memcpy(unicast_packet->dest, orig_node->orig, ETH_ALEN);
/* set the destination tt version number */
- unicast_packet->ttvn =
- (uint8_t)atomic_read(&orig_node->last_ttvn);
+ unicast_packet->ttvn = (uint8_t)atomic_read(&orig_node->last_ttvn);
/* inform the destination node that we are still missing a correct route
* for this client. The destination will receive this packet and will