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SubjectRe: [PATCH 3/3, repost] sound/pci/pcxhr/pcxhr.c: introduce missing kfree and pci_disable_device
At Fri, 14 Nov 2008 19:08:18 +0100 (CET),
Julia Lawall wrote:
>
> From: Julia Lawall <julia@diku.dk>
>
> Error handling code following a kzalloc should free the allocated data.
> The error handling code is adjusted to call pci_disable_device(pci); as
> well, as done later in the function
>
> The semantic match that finds the problem is as follows:
> (http://www.emn.fr/x-info/coccinelle/)
>
> // <smpl>
> @r exists@
> local idexpression x;
> statement S;
> expression E;
> identifier f,l;
> position p1,p2;
> expression *ptr != NULL;
> @@
>
> (
> if ((x@p1 = \(kmalloc\|kzalloc\|kcalloc\)(...)) == NULL) S
> |
> x@p1 = \(kmalloc\|kzalloc\|kcalloc\)(...);
> ...
> if (x == NULL) S
> )
> <... when != x
> when != if (...) { <+...x...+> }
> x->f = E
> ...>
> (
> return \(0\|<+...x...+>\|ptr\);
> |
> return@p2 ...;
> )
>
> @script:python@
> p1 << r.p1;
> p2 << r.p2;
> @@
>
> print "* file: %s kmalloc %s return %s" % (p1[0].file,p1[0].line,p2[0].line)
> // </smpl>
>
> Signed-off-by: Julia Lawall <julia@diku.dk>

Applied now. Thanks.


Takashi


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