[PATCH] drm/radeon/radeon_connectors.c: add a NULL test beforedereference

[Darren Jenkins]

The encoder variable can be NULL in this function so I believe it should
be checked before dereference.

Coverity CID: 13253

Signed-off-by: Darren Jenkins <darrenrjenkins@xxxxxxxxx>

diff --git drivers/gpu/drm/radeon/radeon_connectors.c drivers/gpu/drm/radeon/radeon_connectors.c
index 2016156..b82ae61 100644
--- drivers/gpu/drm/radeon/radeon_connectors.c
+++ drivers/gpu/drm/radeon/radeon_connectors.c
@@ -615,7 +615,7 @@ static enum drm_connector_status radeon_vga_detect(struct drm_connector *connect
 				ret = connector_status_connected;
 		}
 	} else {
-		if (radeon_connector->dac_load_detect) {
+		if (radeon_connector->dac_load_detect && encoder) {
 			encoder_funcs = encoder->helper_private;
 			ret = encoder_funcs->detect(encoder, connector);
 		}


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