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authorJiri Kosina <jkosina@suse.cz>2012-02-03 23:12:42 +0100
committerJiri Kosina <jkosina@suse.cz>2012-02-03 23:13:05 +0100
commit972c5ae961d6e5103e2b33d935cfa4145fd47140 (patch)
tree350b2a76b979ba8766c09838617df67ff330eca0 /scripts/coccinelle/api/memdup.cocci
parent5196d20305d5e30d871111d3a876cf067dd94255 (diff)
parent7c7ed8ec337bf5f62cc5287a6eb6b2f1b7504c2f (diff)
Merge branch 'master' into for-next
Sync with Linus' tree to be able to apply patch to a newer code (namely drivers/gpu/drm/gma500/psb_intel_lvds.c)
Diffstat (limited to 'scripts/coccinelle/api/memdup.cocci')
-rw-r--r--scripts/coccinelle/api/memdup.cocci34
1 files changed, 30 insertions, 4 deletions
diff --git a/scripts/coccinelle/api/memdup.cocci b/scripts/coccinelle/api/memdup.cocci
index b5d722077dc..4dceab6d54d 100644
--- a/scripts/coccinelle/api/memdup.cocci
+++ b/scripts/coccinelle/api/memdup.cocci
@@ -1,14 +1,17 @@
/// Use kmemdup rather than duplicating its implementation
///
// Confidence: High
-// Copyright: (C) 2010 Nicolas Palix, DIKU. GPLv2.
-// Copyright: (C) 2010 Julia Lawall, DIKU. GPLv2.
-// Copyright: (C) 2010 Gilles Muller, INRIA/LiP6. GPLv2.
+// Copyright: (C) 2010-2012 Nicolas Palix. GPLv2.
+// Copyright: (C) 2010-2012 Julia Lawall, INRIA/LIP6. GPLv2.
+// Copyright: (C) 2010-2012 Gilles Muller, INRIA/LiP6. GPLv2.
// URL: http://coccinelle.lip6.fr/
// Comments:
// Options: -no_includes -include_headers
virtual patch
+virtual context
+virtual org
+virtual report
@r1@
expression from,to;
@@ -28,7 +31,7 @@ position p;
... when != \( x = E1 \| from = E1 \)
to = \(kmalloc@p\|kzalloc@p\)(x,flag);
-@@
+@depends on patch@
expression from,to,size,flag;
position p != {r1.p,r2.p};
statement S;
@@ -38,3 +41,26 @@ statement S;
+ to = kmemdup(from,size,flag);
if (to==NULL || ...) S
- memcpy(to, from, size);
+
+@r depends on !patch@
+expression from,to,size,flag;
+position p != {r1.p,r2.p};
+statement S;
+@@
+
+* to = \(kmalloc@p\|kzalloc@p\)(size,flag);
+ to = kmemdup(from,size,flag);
+ if (to==NULL || ...) S
+* memcpy(to, from, size);
+
+@script:python depends on org@
+p << r.p;
+@@
+
+coccilib.org.print_todo(p[0], "WARNING opportunity for kmemdep")
+
+@script:python depends on report@
+p << r.p;
+@@
+
+coccilib.report.print_report(p[0], "WARNING opportunity for kmemdep")