drivers/gpu/drm/radeon/radeon_connectors.c: add a NULL test before dereference

[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 <darrenr...@gmail.com>
diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c
b/drivers/gpu/drm/radeon/radeon_connectors.c
index 5eece18..3ba86fc 100644
--- a/drivers/gpu/drm/radeon/radeon_connectors.c
+++ b/drivers/gpu/drm/radeon/radeon_connectors.c
@@ -603,7 +603,7 @@ 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);
}

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majo...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/