diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-08-05 14:20:14 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-08-05 14:20:14 -0700 |
| commit | f43100ae39bfeb757b75835ef61f0c2c46c99348 (patch) | |
| tree | 620379bb9a2287975ee222c449cd69d31738096e /scripts/coccinelle/err_cast.cocci | |
| parent | 27b4a1a9eac8b0f8958da67e4abe025b96e1a293 (diff) | |
| parent | 5e8e1cc0a1c36c8ff156ac1f04a16422bd4ed3ac (diff) | |
Merge branch 'misc' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6
* 'misc' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6:
scripts/dtc: Fix a resource leak
Documentation: fix ubuntu distro name
MAINTAINERS: Update kbuild git URLs
Add support for the C variable in the coccicheck script
Add scripts/coccinelle/deref_null.cocci
Add scripts/coccinelle/err_cast.cocci
Add scripts/coccinelle/resource_size.cocci
Add scripts/coccinelle/alloc/kzalloc-simple.cocci
Add scripts/coccinelle/alloc/drop_kmalloc_cast.cocci
Add Documentation/coccinelle.txt
Add a target to use the Coccinelle checker
scripts: decodecode: remove bashisms
Makefile: clarify a comment
checkkconfigsymbols.sh: Kconfig symbols sometimes have lowercase letters
scripts: add nconf into gitignore file
Diffstat (limited to 'scripts/coccinelle/err_cast.cocci')
| -rw-r--r-- | scripts/coccinelle/err_cast.cocci | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/scripts/coccinelle/err_cast.cocci b/scripts/coccinelle/err_cast.cocci new file mode 100644 index 00000000000..2ce115000af --- /dev/null +++ b/scripts/coccinelle/err_cast.cocci @@ -0,0 +1,56 @@ +/// +/// Use ERR_CAST inlined function instead of ERR_PTR(PTR_ERR(...)) +/// +// Confidence: High +// Copyright: (C) 2009, 2010 Nicolas Palix, DIKU. GPLv2. +// Copyright: (C) 2009, 2010 Julia Lawall, DIKU. GPLv2. +// Copyright: (C) 2009, 2010 Gilles Muller, INRIA/LiP6. GPLv2. +// URL: http://coccinelle.lip6.fr/ +// Options: +// +// Keywords: ERR_PTR, PTR_ERR, ERR_CAST +// Version min: 2.6.25 +// + +virtual context +virtual patch +virtual org +virtual report + + +@ depends on context && !patch && !org && !report@ +expression x; +@@ + +* ERR_PTR(PTR_ERR(x)) + +@ depends on !context && patch && !org && !report @ +expression x; +@@ + +- ERR_PTR(PTR_ERR(x)) ++ ERR_CAST(x) + +@r depends on !context && !patch && (org || report)@ +expression x; +position p; +@@ + + ERR_PTR@p(PTR_ERR(x)) + +@script:python depends on org@ +p << r.p; +x << r.x; +@@ + +msg="WARNING ERR_CAST can be used with %s" % (x) +msg_safe=msg.replace("[","@(").replace("]",")") +coccilib.org.print_todo(p[0], msg_safe) + +@script:python depends on report@ +p << r.p; +x << r.x; +@@ + +msg="WARNING: ERR_CAST can be used with %s" % (x) +coccilib.report.print_report(p[0], msg) |