Hello Jyri Sarha,
This is a semi-automatic email about new static checker warnings.
The patch 103cd8bc1c80: "drm/tilcdc: Add support for external tda998x
encoder" from Feb 10, 2015, leads to the following Smatch complaint:
drivers/gpu/drm/tilcdc/tilcdc_external.c:153 tilcdc_get_external_components()
error: we previously assumed 'node' could be null (see line 148)
drivers/gpu/drm/tilcdc/tilcdc_external.c
147 node = of_graph_get_remote_port_parent(ep);
148 if (!node && !of_device_is_available(node)) {
^^^^
This test is probably reversed?
149 of_node_put(node);
^^^^
NULL.
150 continue;
151 }
152
153 dev_dbg(dev, "Subdevice node '%s' found\n", node->name);
^^^^^^^^^^^
Unchecked dereference.
154 if (match)
155 component_match_add(dev, match, dev_match_of, node);
regards,
dan carpenter
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