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botdev@18.217.162.18: ~ $
/// 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")

Filemanager

Name Type Size Permission Actions
alloc Folder 0755
debugfs Folder 0755
check_bq27xxx_data.cocci File 3.42 KB 0644
d_find_alias.cocci File 1.28 KB 0644
drm-get-put.cocci File 1.93 KB 0644
err_cast.cocci File 1.07 KB 0644
kstrdup.cocci File 2.4 KB 0644
memdup.cocci File 1.35 KB 0644
memdup_user.cocci File 1.28 KB 0644
platform_no_drv_owner.cocci File 3.78 KB 0644
pm_runtime.cocci File 2.34 KB 0644
ptr_ret.cocci File 1.77 KB 0644
resource_size.cocci File 2.07 KB 0644
simple_open.cocci File 1.21 KB 0644
stream_open.cocci File 7.6 KB 0644
vma_pages.cocci File 1.48 KB 0644