mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-28 23:23:55 +08:00
7f904d7e1f
Based on 1 normalized pattern(s): gplv2 extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 58 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Enrico Weigelt <info@metux.net> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190604081207.556988620@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
72 lines
1.0 KiB
Plaintext
72 lines
1.0 KiB
Plaintext
// SPDX-License-Identifier: GPL-2.0-only
|
|
/// Check for constants that are added but are used elsewhere as bitmasks
|
|
/// The results should be checked manually to ensure that the nonzero
|
|
/// bits in the two constants are actually disjoint.
|
|
///
|
|
// Confidence: Moderate
|
|
// Copyright: (C) 2013 Julia Lawall, INRIA/LIP6.
|
|
// Copyright: (C) 2013 Gilles Muller, INRIA/LIP6.
|
|
// URL: http://coccinelle.lip6.fr/
|
|
// Comments:
|
|
// Options: --no-includes --include-headers
|
|
|
|
virtual org
|
|
virtual report
|
|
virtual context
|
|
|
|
@r@
|
|
constant c,c1;
|
|
identifier i,i1;
|
|
position p;
|
|
@@
|
|
|
|
(
|
|
c1 + c - 1
|
|
|
|
|
c1@i1 +@p c@i
|
|
)
|
|
|
|
@s@
|
|
constant r.c, r.c1;
|
|
identifier i;
|
|
expression e;
|
|
@@
|
|
|
|
(
|
|
e | c@i
|
|
|
|
|
e & c@i
|
|
|
|
|
e |= c@i
|
|
|
|
|
e &= c@i
|
|
|
|
|
e | c1@i
|
|
|
|
|
e & c1@i
|
|
|
|
|
e |= c1@i
|
|
|
|
|
e &= c1@i
|
|
)
|
|
|
|
@depends on s@
|
|
position r.p;
|
|
constant c1,c2;
|
|
@@
|
|
|
|
* c1 +@p c2
|
|
|
|
@script:python depends on s && org@
|
|
p << r.p;
|
|
@@
|
|
|
|
cocci.print_main("sum of probable bitmasks, consider |",p)
|
|
|
|
@script:python depends on s && report@
|
|
p << r.p;
|
|
@@
|
|
|
|
msg = "WARNING: sum of probable bitmasks, consider |"
|
|
coccilib.report.print_report(p[0],msg)
|