threeeye
bc1d038eac
Squashed backup commit (no shallow-clone history issues) of xiaomi-mt6833-dev/kernel_xiaomi_mt6833 (lineage-23.2 branch, upstream commit 9eece662e) plus all fixes applied to get everpal_defconfig building clean against a modern (GCC 15.2.0) toolchain -- see the previous commit message on the lineage-23.2 branch (also in this repo history is not available here since this is a squashed snapshot; full incremental history lives in the local DL380 checkout and the upstream GitHub remote). Upstream: https://github.com/xiaomi-mt6833-dev/kernel_xiaomi_mt6833 (lineage-23.2)
73 lines
1.6 KiB
Plaintext
73 lines
1.6 KiB
Plaintext
/// This semantic patch looks for kmalloc etc that are not followed by a
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/// NULL check. It only gives a report in the case where there is some
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/// error handling code later in the function, which may be helpful
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/// in determining what the error handling code for the call to kmalloc etc
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/// should be.
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///
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// Confidence: High
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// Copyright: (C) 2010 Nicolas Palix, DIKU. GPLv2.
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// Copyright: (C) 2010 Julia Lawall, DIKU. GPLv2.
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// Copyright: (C) 2010 Gilles Muller, INRIA/LiP6. GPLv2.
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// URL: http://coccinelle.lip6.fr/
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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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@withtest@
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expression x;
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position p;
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identifier f,fld;
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@@
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x@p = f(...);
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... when != x->fld
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\(x == NULL \| x != NULL\)
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@fixed depends on context && !org && !report@
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expression x,x1;
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position p1 != withtest.p;
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statement S;
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position any withtest.p;
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identifier f;
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@@
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*x@p1 = \(kmalloc\|kzalloc\|kcalloc\)(...);
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...
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*x1@p = f(...);
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if (!x1) S
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// ------------------------------------------------------------------------
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@rfixed depends on (org || report) && !context exists@
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expression x,x1;
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position p1 != withtest.p;
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position p2;
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statement S;
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position any withtest.p;
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identifier f;
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@@
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x@p1 = \(kmalloc\|kzalloc\|kcalloc\)(...);
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...
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x1@p = f@p2(...);
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if (!x1) S
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@script:python depends on org@
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p1 << rfixed.p1;
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p2 << rfixed.p2;
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@@
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cocci.print_main("alloc call",p1)
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cocci.print_secs("possible model",p2)
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@script:python depends on report@
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p1 << rfixed.p1;
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p2 << rfixed.p2;
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@@
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msg = "alloc with no test, possible model on line %s" % (p2[0].line)
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coccilib.report.print_report(p1[0],msg)
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