[PATCH] coccinelle: ifnullfree: add vfree(), kvfree*() functions

From: Denis Efremov
Date: Wed Sep 02 2020 - 00:41:52 EST


Extend the list of free functions with kvfree(), kvfree_sensitive(),
vfree().

Signed-off-by: Denis Efremov <efremov@xxxxxxxxx>
---
scripts/coccinelle/free/ifnullfree.cocci | 11 +++++++++--
1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/scripts/coccinelle/free/ifnullfree.cocci b/scripts/coccinelle/free/ifnullfree.cocci
index 2045391e36a0..285b92d5c665 100644
--- a/scripts/coccinelle/free/ifnullfree.cocci
+++ b/scripts/coccinelle/free/ifnullfree.cocci
@@ -20,8 +20,14 @@ expression E;
- if (E != NULL)
(
kfree(E);
+|
+ kvfree(E);
|
kfree_sensitive(E);
+|
+ kvfree_sensitive(E, ...);
+|
+ vfree(E);
|
debugfs_remove(E);
|
@@ -42,9 +48,10 @@ position p;
@@

* if (E != NULL)
-* \(kfree@p\|kfree_sensitive@p\|debugfs_remove@p\|debugfs_remove_recursive@p\|
+* \(kfree@p\|kvfree@p\|kfree_sensitive@p\|kvfree_sensitive@p\|vfree@p\|
+* debugfs_remove@p\|debugfs_remove_recursive@p\|
* usb_free_urb@p\|kmem_cache_destroy@p\|mempool_destroy@p\|
-* dma_pool_destroy@p\)(E);
+* dma_pool_destroy@p\)(E, ...);

@script:python depends on org@
p << r.p;
--
2.26.2