On 07/28/2009 06:53 PM, Julia Lawall wrote:
From: Julia Lawall<ju...@diku.dk>
This code is not executed before file has been initialized to the result of
calling eventfd_fget. This function returns an ERR_PTR value in an error
case instead of NULL. Thus the test that file is not NULL is always true.
A simplified version of the semantic match that finds this problem is as
follows: (http://coccinelle.lip6.fr/)
//<smpl>
@match exists@
expression x, E;
statement S1, S2;
@@
x = eventfd_fget(...)
... when != x = E
(
* if (x == NULL || ...) S1 else S2
|
* if (x == NULL&& ...) S1 else S2
)
//</smpl>
Applied, thanks (yes, old patch, missed it).
--
error compiling committee.c: too many arguments to function
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