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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
| commit | 76cb841cb886eef6b3bee341a2266c76578724ad (patch) | |
| tree | f5892e5ba6cc11949952a6ce4ecbe6d516d6ce58 /scripts/coccinelle/api/ptr_ret.cocci | |
| parent | Initial commit. (diff) | |
| download | linux-76cb841cb886eef6b3bee341a2266c76578724ad.tar.xz linux-76cb841cb886eef6b3bee341a2266c76578724ad.zip | |
Adding upstream version 4.19.249.upstream/4.19.249
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'scripts/coccinelle/api/ptr_ret.cocci')
| -rw-r--r-- | scripts/coccinelle/api/ptr_ret.cocci | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/scripts/coccinelle/api/ptr_ret.cocci b/scripts/coccinelle/api/ptr_ret.cocci new file mode 100644 index 000000000..dd58dab5d --- /dev/null +++ b/scripts/coccinelle/api/ptr_ret.cocci @@ -0,0 +1,96 @@ +/// +/// Use PTR_ERR_OR_ZERO rather than if(IS_ERR(...)) + PTR_ERR +/// +// Confidence: High +// Copyright: (C) 2012 Julia Lawall, INRIA/LIP6. GPLv2. +// Copyright: (C) 2012 Gilles Muller, INRIA/LiP6. GPLv2. +// URL: http://coccinelle.lip6.fr/ +// Options: --no-includes --include-headers +// +// Keywords: ERR_PTR, PTR_ERR, PTR_ERR_OR_ZERO +// Version min: 2.6.39 +// + +virtual context +virtual patch +virtual org +virtual report + +@depends on patch@ +expression ptr; +@@ + +- if (IS_ERR(ptr)) return PTR_ERR(ptr); else return 0; ++ return PTR_ERR_OR_ZERO(ptr); + +@depends on patch@ +expression ptr; +@@ + +- if (IS_ERR(ptr)) return PTR_ERR(ptr); return 0; ++ return PTR_ERR_OR_ZERO(ptr); + +@depends on patch@ +expression ptr; +@@ + +- (IS_ERR(ptr) ? PTR_ERR(ptr) : 0) ++ PTR_ERR_OR_ZERO(ptr) + +@r1 depends on !patch@ +expression ptr; +position p1; +@@ + +* if@p1 (IS_ERR(ptr)) return PTR_ERR(ptr); else return 0; + +@r2 depends on !patch@ +expression ptr; +position p2; +@@ + +* if@p2 (IS_ERR(ptr)) return PTR_ERR(ptr); return 0; + +@r3 depends on !patch@ +expression ptr; +position p3; +@@ + +* IS_ERR@p3(ptr) ? PTR_ERR(ptr) : 0 + +@script:python depends on org@ +p << r1.p1; +@@ + +coccilib.org.print_todo(p[0], "WARNING: PTR_ERR_OR_ZERO can be used") + + +@script:python depends on org@ +p << r2.p2; +@@ + +coccilib.org.print_todo(p[0], "WARNING: PTR_ERR_OR_ZERO can be used") + +@script:python depends on org@ +p << r3.p3; +@@ + +coccilib.org.print_todo(p[0], "WARNING: PTR_ERR_OR_ZERO can be used") + +@script:python depends on report@ +p << r1.p1; +@@ + +coccilib.report.print_report(p[0], "WARNING: PTR_ERR_OR_ZERO can be used") + +@script:python depends on report@ +p << r2.p2; +@@ + +coccilib.report.print_report(p[0], "WARNING: PTR_ERR_OR_ZERO can be used") + +@script:python depends on report@ +p << r3.p3; +@@ + +coccilib.report.print_report(p[0], "WARNING: PTR_ERR_OR_ZERO can be used") |