diff --git a/net/smc/smc_diag.c b/net/smc/smc_diag.c
index 8ed2f6689b017098ff8e8a3c15b8104d69643437..ae0239ce4d5b530086237799ad67a18ff502d2e2 100644
--- a/net/smc/smc_diag.c
+++ b/net/smc/smc_diag.c
@@ -204,7 +204,7 @@ static int smc_diag_dump_proto(struct proto *prot, struct sk_buff *skb,
        int rc = 0, num = 0;
        struct sock *sk;
 
-       read_lock(&prot->h.smc_hash->lock);
+       read_lock_bh(&prot->h.smc_hash->lock);
        head = &prot->h.smc_hash->ht;
        if (hlist_empty(head))
                goto out;
@@ -222,7 +222,7 @@ static int smc_diag_dump_proto(struct proto *prot, struct sk_buff *skb,
        }
 
 out:
-       read_unlock(&prot->h.smc_hash->lock);
+       read_unlock_bh(&prot->h.smc_hash->lock);
        cb_ctx->pos[p_type] = num;
        return rc;
 }