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| author | Julia Lawall <Julia.Lawall@inria.fr> | 2021-11-27 19:10:43 +0100 |
|---|---|---|
| committer | Julia Lawall <Julia.Lawall@inria.fr> | 2022-01-15 12:15:35 +0100 |
| commit | 92b2dadaa624d69465dd94ce3d0f30fc2f70170e (patch) | |
| tree | 10e9ca2f67c0fc5c3a0b3eaad4b191c731de46b5 /scripts | |
| parent | 6fed105a5640e148032ad37208be280ce8cb6915 (diff) | |
| download | linux-92b2dadaa624d69465dd94ce3d0f30fc2f70170e.tar.gz linux-92b2dadaa624d69465dd94ce3d0f30fc2f70170e.tar.bz2 linux-92b2dadaa624d69465dd94ce3d0f30fc2f70170e.zip | |
scripts/coccinelle: drop bugon.cocci
The BUG_ON script was never safe, in that it was not able to check
whether the condition was side-effecting. At this point, BUG_ON
should be well known, so it has probably outlived its usefuless.
Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr>
Suggested-by: Matthew Wilcox <willy@infradead.org>
Diffstat (limited to 'scripts')
| -rw-r--r-- | scripts/coccinelle/misc/bugon.cocci | 63 |
1 files changed, 0 insertions, 63 deletions
diff --git a/scripts/coccinelle/misc/bugon.cocci b/scripts/coccinelle/misc/bugon.cocci deleted file mode 100644 index 8d595c358408..000000000000 --- a/scripts/coccinelle/misc/bugon.cocci +++ /dev/null @@ -1,63 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/// Use BUG_ON instead of a if condition followed by BUG. -/// -//# This makes an effort to find cases where BUG() follows an if -//# condition on an expression and replaces the if condition and BUG() -//# with a BUG_ON having the conditional expression of the if statement -//# as argument. -// -// Confidence: High -// Copyright: (C) 2014 Himangi Saraogi. -// Comments: -// Options: --no-includes --include-headers - -virtual patch -virtual context -virtual org -virtual report - -//---------------------------------------------------------- -// For context mode -//---------------------------------------------------------- - -@depends on context@ -expression e; -@@ - -*if (e) BUG(); - -//---------------------------------------------------------- -// For patch mode -//---------------------------------------------------------- - -@depends on patch@ -expression e; -@@ - --if (e) BUG(); -+BUG_ON(e); - -//---------------------------------------------------------- -// For org and report mode -//---------------------------------------------------------- - -@r depends on (org || report)@ -expression e; -position p; -@@ - - if (e) BUG@p (); - -@script:python depends on org@ -p << r.p; -@@ - -coccilib.org.print_todo(p[0], "WARNING use BUG_ON") - -@script:python depends on report@ -p << r.p; -@@ - -msg="WARNING: Use BUG_ON instead of if condition followed by BUG.\nPlease make sure the condition has no side effects (see conditional BUG_ON definition in include/asm-generic/bug.h)" -coccilib.report.print_report(p[0], msg) - |