coccinelle: recognize more devm_* memory allocation functions

Updates free/devm_free.cocci to recognize functions added by:

- commit 64c862a839 ('devres: add kernel standard devm_k.alloc functions')
- commit e31108cad3 ('devres: introduce API "devm_kstrdup"')
- commit 3046365bb4 ('devres: introduce API "devm_kmemdup')
- commit 43339bed70 ('devres: Add devm_get_free_pages API')
- commit 75f2a4ead5 ('devres: Add devm_kasprintf and devm_kvasprintf API')

See also Documentation/driver-model/devres.txt

Cc: Joe Perches <[email protected]>
Cc: Manish Badarkhe <[email protected]>
Cc: Srinivas Pandruvada <[email protected]>
Cc: Eli Billauer <[email protected]>
Cc: Himangi Saraogi <[email protected]>
Cc: Geert Uytterhoeven <[email protected]>
Cc: Wolfram Sang <[email protected]>
Cc: Daniel Thompson <[email protected]>
Acked-by: Julia Lawall <[email protected]>
Signed-off-by: Yann Droneaud <[email protected]>
Signed-off-by: Michal Marek <[email protected]>

scripts/coccinelle/free/devm_free.cocci

@@ -29,7 +29,23 @@ expression x;
 @@
 
 (
+ x = devm_kmalloc(...)
+|
+ x = devm_kvasprintf(...)
+|
+ x = devm_kasprintf(...)
+|
  x = devm_kzalloc(...)
+|
+ x = devm_kmalloc_array(...)
+|
+ x = devm_kcalloc(...)
+|
+ x = devm_kstrdup(...)
+|
+ x = devm_kmemdup(...)
+|
+ x = devm_get_free_pages(...)
 |
  x = devm_request_irq(...)
 |
@@ -50,6 +66,10 @@ position p;
 |
 * kzfree@p(x)
 |
+* free_pages@p(x, ...)
+|
+* free_page@p(x)
+|
 * free_irq@p(x)
 |
 * iounmap@p(x)