Author: Julia Lawall <julia@diku.dk> In this code, 0 is returned on failure, even though other failures return -ENOMEM or other similar values. A simplified version of the semantic match that finds this problem is as follows: (http://coccinelle.lip6.fr/) // @a@ identifier alloc; identifier ret; constant C; expression x; @@ x = alloc(…); if (x == NULL) …
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