1 files changed, 37 insertions, 0 deletions

diff --git a/recipes-kernel/linux/linux-ti33x-psp-3.2/3.2.23/0019-dm-persistent-data-fix-shadow_info_leak-on-dm_tm_des.patch b/recipes-kernel/linux/linux-ti33x-psp-3.2/3.2.23/0019-dm-persistent-data-fix-shadow_info_leak-on-dm_tm_des.patch
new file mode 100644
index 00000000..9ac2fb56
--- /dev/null
+++ b/recipes-kernel/linux/linux-ti33x-psp-3.2/3.2.23/0019-dm-persistent-data-fix-shadow_info_leak-on-dm_tm_des.patch
@@ -0,0 +1,37 @@
+From 97bbf28874e2f7467c0d05db53041e556488087a Mon Sep 17 00:00:00 2001
+From: Mike Snitzer <snitzer@redhat.com>
+Date: Tue, 3 Jul 2012 12:55:33 +0100
+Subject: [PATCH 19/49] dm persistent data: fix shadow_info_leak on
+ dm_tm_destroy
+
+commit 25d7cd6faa7ae6ed2565617c3ee2500ccb8a9f7f upstream.
+
+Cleanup the shadow table before destroying the transaction manager.
+
+Reference: leak was identified with kmemleak when running
+test_discard_random_sectors in the thinp-test-suite.
+
+Signed-off-by: Mike Snitzer <snitzer@redhat.com>
+Signed-off-by: Alasdair G Kergon <agk@redhat.com>
+Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
+---
+ drivers/md/persistent-data/dm-transaction-manager.c |    3 +++
+ 1 file changed, 3 insertions(+)
+
+diff --git a/drivers/md/persistent-data/dm-transaction-manager.c b/drivers/md/persistent-data/dm-transaction-manager.c
+index 6f8d387..e5902d1 100644
+--- a/drivers/md/persistent-data/dm-transaction-manager.c
++++ b/drivers/md/persistent-data/dm-transaction-manager.c
+@@ -138,6 +138,9 @@ EXPORT_SYMBOL_GPL(dm_tm_create_non_blocking_clone);
+ 
+ void dm_tm_destroy(struct dm_transaction_manager *tm)
+ {
++       if (!tm->is_clone)
++               wipe_shadow_table(tm);
++
+        kfree(tm);
+ }
+ EXPORT_SYMBOL_GPL(dm_tm_destroy);
+-- 
+1.7.10
+