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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
| commit | 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch) | |
| tree | a94efe259b9009378be6d90eb30d2b019d95c194 /scripts/coccinelle/misc/cstptr.cocci | |
| parent | Initial commit. (diff) | |
| download | linux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.tar.xz linux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.zip | |
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'scripts/coccinelle/misc/cstptr.cocci')
| -rw-r--r-- | scripts/coccinelle/misc/cstptr.cocci | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/scripts/coccinelle/misc/cstptr.cocci b/scripts/coccinelle/misc/cstptr.cocci new file mode 100644 index 000000000..c52e3c8ca --- /dev/null +++ b/scripts/coccinelle/misc/cstptr.cocci @@ -0,0 +1,42 @@ +// SPDX-License-Identifier: GPL-2.0-only +/// PTR_ERR should be applied before its argument is reassigned, typically +/// to NULL +/// +// Confidence: High +// Copyright: (C) 2012 Julia Lawall, INRIA/LIP6. +// Copyright: (C) 2012 Gilles Muller, INRIA/LiP6. +// URL: http://coccinelle.lip6.fr/ +// Comments: +// Options: --no-includes --include-headers + +virtual org +virtual report +virtual context + +@r exists@ +expression e,e1; +constant c; +position p1,p2; +@@ + +*e@p1 = c +... when != e = e1 + when != &e + when != true IS_ERR(e) +*PTR_ERR@p2(e) + +@script:python depends on org@ +p1 << r.p1; +p2 << r.p2; +@@ + +cocci.print_main("PTR_ERR",p2) +cocci.print_secs("assignment",p1) + +@script:python depends on report@ +p1 << r.p1; +p2 << r.p2; +@@ + +msg = "ERROR: PTR_ERR applied after initialization to constant on line %s" % (p1[0].line) +coccilib.report.print_report(p2[0],msg) |