send/receive: reduce number of sg entries

This reduces stack usage to quell warnings on powerpc.

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>

2 files changed, 2 insertions, 2 deletions

diff --git a/src/receive.c b/src/receive.c
index e5ce217..5f5e276 100644
--- a/src/receive.c
+++ b/src/receive.c
@@ -249,7 +249,7 @@ static inline bool skb_decrypt(struct sk_buff *skb,
 			       struct noise_symmetric_key *key,
 			       simd_context_t simd_context)
 {
-	struct scatterlist sg[MAX_SKB_FRAGS * 2 + 1];
+	struct scatterlist sg[MAX_SKB_FRAGS + 8];
 	struct sk_buff *trailer;
 	unsigned int offset;
 	int num_frags;
diff --git a/src/send.c b/src/send.c
index 5b6d0fe..2bfe80c 100644
--- a/src/send.c
+++ b/src/send.c
@@ -161,7 +161,7 @@ static inline bool skb_encrypt(struct sk_buff *skb,
 			       simd_context_t simd_context)
 {
 	unsigned int padding_len, plaintext_len, trailer_len;
-	struct scatterlist sg[MAX_SKB_FRAGS * 2 + 1];
+	struct scatterlist sg[MAX_SKB_FRAGS + 8];
 	struct message_data *header;
 	struct sk_buff *trailer;
 	int num_frags;