mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-18 18:06:56 +07:00
4bdc0d676a
ioremap has provided non-cached semantics by default since the Linux 2.6 days, so remove the additional ioremap_nocache interface. Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Arnd Bergmann <arnd@arndb.de>
69 lines
1.3 KiB
Plaintext
69 lines
1.3 KiB
Plaintext
// SPDX-License-Identifier: GPL-2.0-only
|
|
/// Find missing iounmaps.
|
|
///
|
|
//# This only signals a missing iounmap when there is an iounmap later
|
|
//# in the same function.
|
|
//# False positives can be due to loops.
|
|
//
|
|
// Confidence: Moderate
|
|
// Copyright: (C) 2012 Julia Lawall, INRIA/LIP6.
|
|
// Copyright: (C) 2012 Gilles Muller, INRIA/LiP6.
|
|
// URL: http://coccinelle.lip6.fr/
|
|
// Comments:
|
|
// Options:
|
|
|
|
virtual context
|
|
virtual org
|
|
virtual report
|
|
|
|
@iom@
|
|
expression e;
|
|
statement S,S1;
|
|
int ret;
|
|
position p1,p2,p3;
|
|
@@
|
|
|
|
e = \(ioremap@p1\)(...)
|
|
... when != iounmap(e)
|
|
if (<+...e...+>) S
|
|
... when any
|
|
when != iounmap(e)
|
|
when != if (...) { ... iounmap(e); ... }
|
|
(
|
|
if (ret == 0) S1
|
|
|
|
|
if (...)
|
|
{ ...
|
|
return 0; }
|
|
|
|
|
if (...)
|
|
{ ...
|
|
return <+...e...+>; }
|
|
|
|
|
*if@p2 (...)
|
|
{ ... when != iounmap(e)
|
|
when forall
|
|
return@p3 ...; }
|
|
)
|
|
... when any
|
|
iounmap(e);
|
|
|
|
@script:python depends on org@
|
|
p1 << iom.p1;
|
|
p2 << iom.p2;
|
|
p3 << iom.p3;
|
|
@@
|
|
|
|
cocci.print_main("ioremap",p1)
|
|
cocci.print_secs("if",p2)
|
|
cocci.print_secs("needed iounmap",p3)
|
|
|
|
@script:python depends on report@
|
|
p1 << iom.p1;
|
|
p2 << iom.p2;
|
|
p3 << iom.p3;
|
|
@@
|
|
|
|
msg = "ERROR: missing iounmap; ioremap on line %s and execution via conditional on line %s" % (p1[0].line,p2[0].line)
|
|
coccilib.report.print_report(p3[0],msg)
|