check that adapter->get_edid is non-NULL

diff --git a/grub-core/commands/videoinfo.c b/grub-core/commands/videoinfo.c
index 56df943ec8109b543f1e10f8c7078d134da1944a..9bd0a0e78f03a79dc50356e285e322dc30ada344 100644 (file)
--- a/grub-core/commands/videoinfo.c
+++ b/grub-core/commands/videoinfo.c
@@ -169,7 +169,7 @@ grub_cmd_videoinfo (grub_command_t cmd __attribute__ ((unused)),
 
     adapter->iterate (hook);
 
-    if (adapter->get_edid (&edid_info) == GRUB_ERR_NONE)
+    if (adapter->get_edid && adapter->get_edid (&edid_info) == GRUB_ERR_NONE)
       print_edid (&edid_info);
     else
       grub_errno = GRUB_ERR_NONE;