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IPV6_REASS: fix ip6_reass_remove_oldest_datagram() when the first fragment to enqueue has more pbufs than IP_REASS_MAX_PBUFS

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sg 2015-08-26 21:20:13 +02:00
parent 5eb1c411a5
commit aad76acb68
1 changed files with 4 additions and 0 deletions
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4
src/core/ipv6/ip6_frag.c
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@ -227,6 +227,10 @@ ip6_reass_remove_oldest_datagram(struct ip6_reassdata *ipr, int pbufs_needed)
} }
r = r->next; r = r->next;
} }
if (oldest == ipr) {
/* nothing to free, ipr is the only element on the list */
return;
}
if (oldest != NULL) { if (oldest != NULL) {
ip6_reass_free_complete_datagram(oldest); ip6_reass_free_complete_datagram(oldest);
} }