Hello Russell King,
This is a semi-automatic email about new static checker warnings.
The patch 6955b58254c2: "component: add support for component match
array" from Apr 19, 2014, leads to the following Smatch complaint:
drivers/base/component.c:297 component_master_add_with_match()
error: we previously assumed 'match' could be null (see line 293)
drivers/base/component.c
292
293 if (ops->add_components && match)
^^^^^
Patch adds new check.
294 return -EINVAL;
295
296 /* Reallocate the match array for its true size */
297 match = component_match_realloc(dev, match, match->num);
^^^^^^^^^^
Patch adds unchecked dereference.
298 if (IS_ERR(match))
299 return PTR_ERR(match);
regards,
dan carpenter
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