From: Shan Wei <shanwei@xxxxxxxxxxxxxx>
Use WORD_ROUND to round an int up to the next multiple of 4.
Signed-off-by: Shan Wei <shanwei@xxxxxxxxxxxxxx>
Signed-off-by: Patrick McHardy <kaber@xxxxxxxxx>
---
net/netfilter/xt_sctp.c | 3 ++-
1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/net/netfilter/xt_sctp.c b/net/netfilter/xt_sctp.c
index c04fcf3..ef36a56 100644
--- a/net/netfilter/xt_sctp.c
+++ b/net/netfilter/xt_sctp.c
@@ -3,6 +3,7 @@
#include <linux/skbuff.h>
#include <net/ip.h>
#include <net/ipv6.h>
+#include <net/sctp/sctp.h>
#include <linux/sctp.h>
#include <linux/netfilter/x_tables.h>
@@ -67,7 +68,7 @@ match_packet(const struct sk_buff *skb,
++i, offset, sch->type, htons(sch->length),
sch->flags);
#endif
- offset += (ntohs(sch->length) + 3) & ~3;
+ offset += WORD_ROUND(ntohs(sch->length));
pr_debug("skb->len: %d\toffset: %d\n", skb->len, offset);
--
1.7.0.4
--
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