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-rw-r--r--net/batman-adv/fragmentation.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/net/batman-adv/fragmentation.c b/net/batman-adv/fragmentation.c
index 31e97e9aee0d..11149e5be4e0 100644
--- a/net/batman-adv/fragmentation.c
+++ b/net/batman-adv/fragmentation.c
@@ -501,6 +501,12 @@ int batadv_frag_send_packet(struct sk_buff *skb,
/* Eat and send fragments from the tail of skb */
while (skb->len > max_fragment_size) {
+ /* The initial check in this function should cover this case */
+ if (unlikely(frag_header.no == BATADV_FRAG_MAX_FRAGMENTS - 1)) {
+ ret = -EINVAL;
+ goto put_primary_if;
+ }
+
skb_fragment = batadv_frag_create(skb, &frag_header, mtu);
if (!skb_fragment) {
ret = -ENOMEM;
@@ -517,12 +523,6 @@ int batadv_frag_send_packet(struct sk_buff *skb,
}
frag_header.no++;
-
- /* The initial check in this function should cover this case */
- if (frag_header.no == BATADV_FRAG_MAX_FRAGMENTS - 1) {
- ret = -EINVAL;
- goto put_primary_if;
- }
}
/* Make room for the fragment header. */