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/// Find missing pci_free_consistent for every pci_alloc_consistent.
///
// Confidence: Moderate
// Copyright: (C) 2013 Petr Strnad. GPLv2.
// URL: http://coccinelle.lip6.fr/
// Keywords: pci_free_consistent, pci_alloc_consistent
// Options: --no-includes --include-headers
virtual report
virtual org
@search@
local idexpression id;
expression x,y,z,e;
position p1,p2;
type T;
@@
id = pci_alloc_consistent@p1(x,y,&z)
... when != e = id
if (id == NULL || ...) { ... return ...; }
... when != pci_free_consistent(x,y,id,z)
when != if (id) { ... pci_free_consistent(x,y,id,z) ... }
when != if (y) { ... pci_free_consistent(x,y,id,z) ... }
when != e = (T)id
when exists
(
return 0;
|
return 1;
|
return id;
|
return@p2 ...;
)
@script:python depends on report@
p1 << search.p1;
p2 << search.p2;
@@
msg = "ERROR: missing pci_free_consistent; pci_alloc_consistent on line %s and return without freeing on line %s" % (p1[0].line,p2[0].line)
coccilib.report.print_report(p2[0],msg)
@script:python depends on org@
p1 << search.p1;
p2 << search.p2;
@@
msg = "ERROR: missing pci_free_consistent; pci_alloc_consistent on line %s and return without freeing on line %s" % (p1[0].line,p2[0].line)
cocci.print_main(msg,p1)
cocci.print_secs("",p2)