1 files changed, 38 insertions, 0 deletions
diff --git a/target/linux/generic/backport-5.4/080-wireguard-0058-crypto-lib-chacha20poly1305-Add-missing-function-dec.patch b/target/linux/generic/backport-5.4/080-wireguard-0058-crypto-lib-chacha20poly1305-Add-missing-function-dec.patch
new file mode 100644
index 0000000000..736147f934
--- /dev/null
+++ b/target/linux/generic/backport-5.4/080-wireguard-0058-crypto-lib-chacha20poly1305-Add-missing-function-dec.patch
@@ -0,0 +1,38 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Herbert Xu <herbert@gondor.apana.org.au>
+Date: Wed, 8 Jul 2020 12:41:13 +1000
+Subject: [PATCH] crypto: lib/chacha20poly1305 - Add missing function
+ declaration
+
+commit 06cc2afbbdf9a9e8df3e2f8db724997dd6e1b4ac upstream.
+
+This patch adds a declaration for chacha20poly1305_selftest to
+silence a sparse warning.
+
+Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
+Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
+---
+ include/crypto/chacha20poly1305.h | 2 ++
+ lib/crypto/chacha20poly1305.c     | 2 --
+ 2 files changed, 2 insertions(+), 2 deletions(-)
+
+--- a/include/crypto/chacha20poly1305.h
++++ b/include/crypto/chacha20poly1305.h
+@@ -45,4 +45,6 @@ bool chacha20poly1305_decrypt_sg_inplace
+ 					 const u64 nonce,
+ 					 const u8 key[CHACHA20POLY1305_KEY_SIZE]);
+ 
++bool chacha20poly1305_selftest(void);
++
+ #endif /* __CHACHA20POLY1305_H */
+--- a/lib/crypto/chacha20poly1305.c
++++ b/lib/crypto/chacha20poly1305.c
+@@ -21,8 +21,6 @@
+ 
+ #define CHACHA_KEY_WORDS	(CHACHA_KEY_SIZE / sizeof(u32))
+ 
+-bool __init chacha20poly1305_selftest(void);
+-
+ static void chacha_load_key(u32 *k, const u8 *in)
+ {
+ 	k[0] = get_unaligned_le32(in);