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[nft,2/4,RFC] exthdr: Align max templates count with payload expr

Message ID 20170522164936.28034-3-phil@nwl.cc
State RFC
Delegated to: Pablo Neira
Headers show

Commit Message

Phil Sutter May 22, 2017, 4:49 p.m. UTC 
This is for convenience only, so that when translating a payload
expression into an exthdr one we can't accidentally address data out of
bounds.

Signed-off-by: Phil Sutter <phil@nwl.cc>
---
 include/exthdr.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/include/exthdr.h b/include/exthdr.h
index a2647ee142dcd..a5522ea5b5e5d 100644
--- a/include/exthdr.h
+++ b/include/exthdr.h
@@ -14,7 +14,7 @@ 
 struct exthdr_desc {
 	const char			*name;
 	uint8_t				type;
-	struct proto_hdr_template	templates[10];
+	struct proto_hdr_template	templates[PROTO_HDRS_MAX];
 };
 
 extern struct expr *exthdr_expr_alloc(const struct location *loc,