diff --git a/Documentation/networking/strparser.txt b/Documentation/networking/strparser.txt
index fe01302471ae..13081b3decef 100644
--- a/Documentation/networking/strparser.txt
+++ b/Documentation/networking/strparser.txt
@@ -35,7 +35,7 @@ Functions
 =========
 
 strp_init(struct strparser *strp, struct sock *sk,
-	  struct strp_callbacks *cb)
+	  const struct strp_callbacks *cb)
 
      Called to initialize a stream parser. strp is a struct of type
      strparser that is allocated by the upper layer. sk is the TCP
diff --git a/include/net/strparser.h b/include/net/strparser.h
index 4fe966a0ad92..7dc131d62ad5 100644
--- a/include/net/strparser.h
+++ b/include/net/strparser.h
@@ -138,7 +138,7 @@ void strp_done(struct strparser *strp);
 void strp_stop(struct strparser *strp);
 void strp_check_rcv(struct strparser *strp);
 int strp_init(struct strparser *strp, struct sock *sk,
-	      struct strp_callbacks *cb);
+	      const struct strp_callbacks *cb);
 void strp_data_ready(struct strparser *strp);
 int strp_process(struct strparser *strp, struct sk_buff *orig_skb,
 		 unsigned int orig_offset, size_t orig_len,
diff --git a/kernel/bpf/sockmap.c b/kernel/bpf/sockmap.c
index 78b2bb9370ac..617c239590c2 100644
--- a/kernel/bpf/sockmap.c
+++ b/kernel/bpf/sockmap.c
@@ -368,12 +368,12 @@ static int smap_read_sock_done(struct strparser *strp, int err)
 static int smap_init_sock(struct smap_psock *psock,
 			  struct sock *sk)
 {
-	struct strp_callbacks cb;
+	static const struct strp_callbacks cb = {
+		.rcv_msg = smap_read_sock_strparser,
+		.parse_msg = smap_parse_func_strparser,
+		.read_sock_done = smap_read_sock_done,
+	};
 
-	memset(&cb, 0, sizeof(cb));
-	cb.rcv_msg = smap_read_sock_strparser;
-	cb.parse_msg = smap_parse_func_strparser;
-	cb.read_sock_done = smap_read_sock_done;
 	return strp_init(&psock->strp, sk, &cb);
 }
 
diff --git a/net/kcm/kcmsock.c b/net/kcm/kcmsock.c
index 88ce73288247..48e993b2dbcf 100644
--- a/net/kcm/kcmsock.c
+++ b/net/kcm/kcmsock.c
@@ -1376,7 +1376,11 @@ static int kcm_attach(struct socket *sock, struct socket *csock,
 	struct kcm_psock *psock = NULL, *tpsock;
 	struct list_head *head;
 	int index = 0;
-	struct strp_callbacks cb;
+	static const struct strp_callbacks cb = {
+		.rcv_msg = kcm_rcv_strparser,
+		.parse_msg = kcm_parse_func_strparser,
+		.read_sock_done = kcm_read_sock_done,
+	};
 	int err;
 
 	csk = csock->sk;
@@ -1391,11 +1395,6 @@ static int kcm_attach(struct socket *sock, struct socket *csock,
 	psock->sk = csk;
 	psock->bpf_prog = prog;
 
-	cb.rcv_msg = kcm_rcv_strparser;
-	cb.abort_parser = NULL;
-	cb.parse_msg = kcm_parse_func_strparser;
-	cb.read_sock_done = kcm_read_sock_done;
-
 	err = strp_init(&psock->strp, csk, &cb);
 	if (err) {
 		kmem_cache_free(kcm_psockp, psock);
diff --git a/net/strparser/strparser.c b/net/strparser/strparser.c
index 434aa6637a52..d4ea46a5f233 100644
--- a/net/strparser/strparser.c
+++ b/net/strparser/strparser.c
@@ -472,7 +472,7 @@ static void strp_sock_unlock(struct strparser *strp)
 }
 
 int strp_init(struct strparser *strp, struct sock *sk,
-	      struct strp_callbacks *cb)
+	      const struct strp_callbacks *cb)
 {
 
 	if (!cb || !cb->rcv_msg || !cb->parse_msg)