/// 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. GPLv2.
// Copyright: (C) 2012 Gilles Muller, INRIA/LiP6. GPLv2.
// 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 = \(ioremap@p1\|ioremap_nocache@p1\)(...)
... 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)
-pump-back'>packet-rx-pump-back
The Dell DW5570 is a re-branded Sierra Wireless MC8805 which will by
default boot with vid 0x413c and pid 0x81a3. When triggered QDL download
mode, the device switches to pid 0x81a6 and provides the standard TTY
used for firmware upgrade.
Cc: <stable@vger.kernel.org>
Signed-off-by: Aleksander Morgado <aleksander@aleksander.es>
Signed-off-by: Johan Hovold <johan@kernel.org>