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author | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
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committer | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
commit | 871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch) | |
tree | 8718f573808810c2a1e8cb8fb6ac469093ca2784 /scripts/coccinelle/api/memdup.cocci | |
parent | 9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff) | |
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Moved, renamed, and deleted files
The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.
Diffstat (limited to 'scripts/coccinelle/api/memdup.cocci')
-rw-r--r-- | scripts/coccinelle/api/memdup.cocci | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/scripts/coccinelle/api/memdup.cocci b/scripts/coccinelle/api/memdup.cocci new file mode 100644 index 00000000..4dceab6d --- /dev/null +++ b/scripts/coccinelle/api/memdup.cocci @@ -0,0 +1,66 @@ +/// Use kmemdup rather than duplicating its implementation +/// +// Confidence: High +// 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; +expression flag; +position p; +@@ + + to = \(kmalloc@p\|kzalloc@p\)(strlen(from) + 1,flag); + +@r2@ +expression x,from,to; +expression flag,E1; +position p; +@@ + + x = strlen(from) + 1; + ... 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; +@@ + +- to = \(kmalloc@p\|kzalloc@p\)(size,flag); ++ 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") |