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coccinelle: api: filter out memdup_user definitions 

Don't match memdup_user/vmemdup_user.

Signed-off-by: Denis Efremov <efremov@linux.com>
Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr>
This commit is contained in:
Denis Efremov 2020-07-20 19:22:16 +03:00 committed by Julia Lawall
parent 9c568dbd67
commit d05f94ad28
1 changed files with 13 additions and 4 deletions
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17
scripts/coccinelle/api/memdup_user.cocci
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@ -15,12 +15,20 @@ virtual context
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);
@ -42,9 +50,10 @@ identifier l1,l2;
@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
@ -63,7 +72,7 @@ identifier l1,l2;
@r depends on !patch@
expression from,to,size;
position p;
position p : script:python() { relevant(p) };
statement S1,S2;
@@
@ -76,7 +85,7 @@ statement S1,S2;
@rv depends on !patch@
expression from,to,size;
position p;
position p : script:python() { relevant(p) };
statement S1,S2;
@@