copy_from_user and memset

[lttng-modules.git] / ltt-ring-buffer-metadata-client.h

diff --git a/ltt-ring-buffer-metadata-client.h b/ltt-ring-buffer-metadata-client.h
index dc0e36e1ec1515a31ca7514b75b7e5e10a798378..3cf8a342052e2e53e5a2d73cee12f281fa8be69a 100644 (file)
--- a/ltt-ring-buffer-metadata-client.h
+++ b/ltt-ring-buffer-metadata-client.h
@@ -224,6 +224,13 @@ void ltt_event_write(struct lib_ring_buffer_ctx *ctx, const void *src,
        lib_ring_buffer_write(&client_config, ctx, src, len);
 }
 
+static
+void ltt_event_write_from_user(struct lib_ring_buffer_ctx *ctx,
+                              const void __user *src, size_t len)
+{
+       lib_ring_buffer_copy_from_user(&client_config, ctx, src, len);
+}
+
 static
 size_t ltt_packet_avail_size(struct channel *chan)
                             
@@ -279,6 +286,7 @@ static struct ltt_transport ltt_relay_transport = {
                .buffer_read_close = ltt_buffer_read_close,
                .event_reserve = ltt_event_reserve,
                .event_commit = ltt_event_commit,
+               .event_write_from_user = ltt_event_write_from_user,
                .event_write = ltt_event_write,
                .packet_avail_size = ltt_packet_avail_size,
                .get_writer_buf_wait_queue = ltt_get_writer_buf_wait_queue,