diff --git a/dtls.c b/dtls.c
index 09aa9ee..c215dc5 100644
--- a/dtls.c
+++ b/dtls.c
@@ -142,6 +142,7 @@ int dtlsread(SSL *ssl, unsigned char *buf, int num, int timeout, pthread_mutex_t
                     continue;
                 case SSL_ERROR_ZERO_RETURN:
                     debug(DBG_DBG, "dtlsread: got ssl shutdown");
+                    /* fallthrough */
                 default:
                     while ((error = ERR_get_error()))
                         debug(DBG_ERR, "dtlsread: SSL: %s", ERR_error_string(error, NULL));
diff --git a/list.h b/list.h
index f015b9d..c8c4531 100644
--- a/list.h
+++ b/list.h
@@ -35,7 +35,7 @@ int list_push(struct list *list, void *data);
 /* removes first entry from list and returns data */
 void *list_shift(struct list *list);
 
-/* removes first entry with matching data pointer */
+/* removes all entries with matching data pointer */
 void list_removedata(struct list *list, void *data);
 
 /* returns first node */
diff --git a/tls.c b/tls.c
index 87bbe2c..8786749 100644
--- a/tls.c
+++ b/tls.c
@@ -251,6 +251,7 @@ int sslreadtimeout(SSL *ssl, unsigned char *buf, int num, int timeout, pthread_m
                     continue;
                 case SSL_ERROR_ZERO_RETURN:
                     debug(DBG_DBG, "sslreadtimeout: got ssl shutdown");
+                    /* fallthrough */
                 default:
                     while ((error = ERR_get_error()))
                         debug(DBG_ERR, "sslreadtimeout: SSL: %s", ERR_error_string(error, NULL));