diff --git a/include/crypto/internal/aead.h b/include/crypto/internal/aead.h
index 2eba340230a7..750948cf4621 100644
--- a/include/crypto/internal/aead.h
+++ b/include/crypto/internal/aead.h
@@ -78,5 +78,11 @@ static inline void aead_givcrypt_complete(struct aead_givcrypt_request *req,
 	aead_request_complete(&req->areq, err);
 }
 
+static inline void crypto_aead_set_reqsize(struct crypto_aead *aead,
+					   unsigned int reqsize)
+{
+	crypto_aead_crt(aead)->reqsize = reqsize;
+}
+
 #endif	/* _CRYPTO_INTERNAL_AEAD_H */