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| author | Denis Efremov <efremov@linux.com> | 2020-07-20 19:22:16 +0300 |
|---|---|---|
| committer | Julia Lawall <Julia.Lawall@lip6.fr> | 2020-08-04 22:46:59 +0200 |
| commit | d05f94ad28c76cbd98aecee8e617f18454050f57 (patch) | |
| tree | 0cf7df614138125828377ba44d7adc314612493a /scripts | |
| parent | 9c568dbd677bcfc975220d3157c89c48669a23e3 (diff) | |
| download | lwn-d05f94ad28c76cbd98aecee8e617f18454050f57.tar.gz lwn-d05f94ad28c76cbd98aecee8e617f18454050f57.zip | |
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>
Diffstat (limited to 'scripts')
| -rw-r--r-- | scripts/coccinelle/api/memdup_user.cocci | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/scripts/coccinelle/api/memdup_user.cocci b/scripts/coccinelle/api/memdup_user.cocci index 60027e21c5e6..e01e95108405 100644 --- a/scripts/coccinelle/api/memdup_user.cocci +++ b/scripts/coccinelle/api/memdup_user.cocci @@ -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; @@ |