Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
56 lines
1.1 KiB
Plaintext
56 lines
1.1 KiB
Plaintext
// SPDX-License-Identifier: GPL-2.0-only
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/// Find bit operations that include the same argument more than once
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//# One source of false positives is when the argument performs a side
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//# effect. Another source of false positives is when a neutral value
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//# such as 0 for | is used to indicate no information, to maintain the
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//# same structure as other similar expressions
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///
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// Confidence: Moderate
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// Copyright: (C) 2010 Nicolas Palix, DIKU.
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// Copyright: (C) 2010 Julia Lawall, DIKU.
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// Copyright: (C) 2010 Gilles Muller, INRIA/LiP6.
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// URL: https://coccinelle.gitlabpages.inria.fr/website
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// Comments:
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// Options: --no-includes --include-headers
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virtual context
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virtual org
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virtual report
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@r expression@
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expression E;
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position p;
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@@
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(
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* E@p
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& ... & E
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* E@p
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| ... | E
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* E@p
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& ... & !E
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* E@p
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| ... | !E
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* !E@p
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& ... & E
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* !E@p
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| ... | E
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)
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@script:python depends on org@
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p << r.p;
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@@
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cocci.print_main("duplicated argument to & or |",p)
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@script:python depends on report@
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p << r.p;
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@@
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coccilib.report.print_report(p[0],"duplicated argument to & or |")
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