coccinelle: api: filter out memdup_user definitions

virtual org

virtual report

@initialize:python@

@@

filter = frozenset(['memdup_user', 'vmemdup_user'])

def relevant(p):

    return not (filter & {el.current_element for el in p})

@depends on patch@

expression from,to,size;

identifier l1,l2;

position p : script:python() { relevant(p) };

@@

-  to = \(kmalloc\|kzalloc\)

-  to = \(kmalloc@p\|kzalloc@p\)

-		(size,\(GFP_KERNEL\|GFP_USER\|

-		      \(GFP_KERNEL\|GFP_USER\)|__GFP_NOWARN\));

+  to = memdup_user(from,size);

@depends on patch@

expression from,to,size;

identifier l1,l2;

position p : script:python() { relevant(p) };

@@

-  to = \(kvmalloc\|kvzalloc\)(size,\(GFP_KERNEL\|GFP_USER\));

-  to = \(kvmalloc@p\|kvzalloc@p\)(size,\(GFP_KERNEL\|GFP_USER\));

+  to = vmemdup_user(from,size);

   if (

-      to==NULL

@r depends on !patch@

expression from,to,size;

position p;

position p : script:python() { relevant(p) };

statement S1,S2;

@@

@rv depends on !patch@

expression from,to,size;

position p;

position p : script:python() { relevant(p) };

statement S1,S2;

@@