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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>
68 lines
1.3 KiB
Plaintext
68 lines
1.3 KiB
Plaintext
// SPDX-License-Identifier: GPL-2.0-only
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///
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/// Remove unneeded variable used to store return value.
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///
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// Confidence: Moderate
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// Copyright: (C) 2012 Peter Senna Tschudin, INRIA/LIP6.
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// URL: http://coccinelle.lip6.fr/
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// Comments: Comments on code can be deleted if near code that is removed.
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// "when strict" can be removed to get more hits, but adds false
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// positives
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// Options: --no-includes --include-headers
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virtual patch
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virtual report
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virtual context
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virtual org
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@depends on patch@
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type T;
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constant C;
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identifier ret;
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@@
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- T ret = C;
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... when != ret
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when strict
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return
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- ret
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+ C
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;
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@depends on context@
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type T;
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constant C;
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identifier ret;
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@@
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* T ret = C;
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... when != ret
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when strict
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* return ret;
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@r1 depends on report || org@
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type T;
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constant C;
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identifier ret;
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position p1, p2;
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@@
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T ret@p1 = C;
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... when != ret
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when strict
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return ret@p2;
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@script:python depends on report@
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p1 << r1.p1;
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p2 << r1.p2;
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C << r1.C;
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ret << r1.ret;
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@@
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coccilib.report.print_report(p1[0], "Unneeded variable: \"" + ret + "\". Return \"" + C + "\" on line " + p2[0].line)
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@script:python depends on org@
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p1 << r1.p1;
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p2 << r1.p2;
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C << r1.C;
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ret << r1.ret;
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@@
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cocci.print_main("unneeded \"" + ret + "\" variable", p1)
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cocci.print_sec("return " + C + " here", p2)
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