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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 00164645b3f7..f39723281ca1 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,
39 struct batadv_unicast_packet *unicast_packet; 39 struct batadv_unicast_packet *unicast_packet;
40 int hdr_len = sizeof(*unicast_packet); 40 int hdr_len = sizeof(*unicast_packet);
41 int uni_diff = sizeof(*up) - hdr_len; 41 int uni_diff = sizeof(*up) - hdr_len;
42 uint8_t *packet_pos;
42 43
43 up = (struct batadv_unicast_frag_packet *)skb->data; 44 up = (struct batadv_unicast_frag_packet *)skb->data;
44 /* set skb to the first part and tmp_skb to the second part */ 45 /* 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,
65 kfree_skb(tmp_skb); 66 kfree_skb(tmp_skb);
66 67
67 memmove(skb->data + uni_diff, skb->data, hdr_len); 68 memmove(skb->data + uni_diff, skb->data, hdr_len);
68 unicast_packet = (struct batadv_unicast_packet *)skb_pull(skb, 69 packet_pos = skb_pull(skb, uni_diff);
69 uni_diff); 70 unicast_packet = (struct batadv_unicast_packet *)packet_pos;
70 unicast_packet->header.packet_type = BATADV_UNICAST; 71 unicast_packet->header.packet_type = BATADV_UNICAST;
71 72
72 return skb; 73 return skb;
@@ -121,6 +122,7 @@ batadv_frag_search_packet(struct list_head *head,
121{ 122{
122 struct batadv_frag_packet_list_entry *tfp; 123 struct batadv_frag_packet_list_entry *tfp;
123 struct batadv_unicast_frag_packet *tmp_up = NULL; 124 struct batadv_unicast_frag_packet *tmp_up = NULL;
125 int is_head_tmp, is_head;
124 uint16_t search_seqno; 126 uint16_t search_seqno;
125 127
126 if (up->flags & BATADV_UNI_FRAG_HEAD) 128 if (up->flags & BATADV_UNI_FRAG_HEAD)
@@ -128,6 +130,8 @@ batadv_frag_search_packet(struct list_head *head,
128 else 130 else
129 search_seqno = ntohs(up->seqno)-1; 131 search_seqno = ntohs(up->seqno)-1;
130 132
133 is_head = !!(up->flags & BATADV_UNI_FRAG_HEAD);
134
131 list_for_each_entry(tfp, head, list) { 135 list_for_each_entry(tfp, head, list) {
132 136
133 if (!tfp->skb) 137 if (!tfp->skb)
@@ -139,9 +143,8 @@ batadv_frag_search_packet(struct list_head *head,
139 tmp_up = (struct batadv_unicast_frag_packet *)tfp->skb->data; 143 tmp_up = (struct batadv_unicast_frag_packet *)tfp->skb->data;
140 144
141 if (tfp->seqno == search_seqno) { 145 if (tfp->seqno == search_seqno) {
142 146 is_head_tmp = !!(tmp_up->flags & BATADV_UNI_FRAG_HEAD);
143 if ((tmp_up->flags & BATADV_UNI_FRAG_HEAD) != 147 if (is_head_tmp != is_head)
144 (up->flags & BATADV_UNI_FRAG_HEAD))
145 return tfp; 148 return tfp;
146 else 149 else
147 goto mov_tail; 150 goto mov_tail;
@@ -334,8 +337,7 @@ find_router:
334 /* copy the destination for faster routing */ 337 /* copy the destination for faster routing */
335 memcpy(unicast_packet->dest, orig_node->orig, ETH_ALEN); 338 memcpy(unicast_packet->dest, orig_node->orig, ETH_ALEN);
336 /* set the destination tt version number */ 339 /* set the destination tt version number */
337 unicast_packet->ttvn = 340 unicast_packet->ttvn = (uint8_t)atomic_read(&orig_node->last_ttvn);
338 (uint8_t)atomic_read(&orig_node->last_ttvn);
339 341
340 /* inform the destination node that we are still missing a correct route 342 /* inform the destination node that we are still missing a correct route
341 * for this client. The destination will receive this packet and will 343 * for this client. The destination will receive this packet and will