Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-12-29 14:21:47 +00:00
Code Issues Packages Projects Releases Wiki Activity

scripts/coccinelle/api/ptr_ret.cocci: semantic patch for ptr_err

Browse Source 
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Michal Marek <mmarek@suse.cz>
This commit is contained in:
Julia Lawall 2012-03-25 20:12:59 +02:00 committed by Michal Marek
parent 66979224c0
commit 468db96122
1 changed files with 70 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

70
scripts/coccinelle/api/ptr_ret.cocci Normal file
View File

@ -0,0 +1,70 @@
///
/// Use PTR_RET 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_RET
// 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_RET(ptr);
@depends on patch@
expression ptr;
@@
- if (IS_ERR(ptr)) return PTR_ERR(ptr); return 0;
+ return PTR_RET(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;
@script:python depends on org@
p << r1.p1;
@@
coccilib.org.print_todo(p[0], "WARNING: PTR_RET can be used")
@script:python depends on org@
p << r2.p2;
@@
coccilib.org.print_todo(p[0], "WARNING: PTR_RET can be used")
@script:python depends on report@
p << r1.p1;
@@
coccilib.report.print_report(p[0], "WARNING: PTR_RET can be used")
@script:python depends on report@
p << r2.p2;
@@
coccilib.report.print_report(p[0], "WARNING: PTR_RET can be used")