Author: Julia Lawall <julia@diku.dk> Check that the result of kmalloc/kzalloc is not NULL before dereferencing it. The semantic match that finds this problem is as follows: (http://coccinelle.lip6.fr/) // @@ expression *x; identifier f; constant char *C; @@ x = \(kmalloc\|kcalloc\|kzalloc\)(…); … when != x == NULL when != x != NULL when != (x || …
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