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device_cgroup RCU warning fix from Amol Grover <frextrite@gmail.com> 

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Merge tag 'fixes-v5.9a' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security

Pull security layer fix from James  Morris:
 "A device_cgroup RCU warning fix from Amol Grover"

* tag 'fixes-v5.9a' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security:
  device_cgroup: Fix RCU list debugging warning
This commit is contained in:
Linus Torvalds 2020-09-15 16:26:57 -07:00
parent 00acc50506 bc62d68e2a
commit 1e484d3887
1 changed files with 2 additions and 1 deletions
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3
security/device_cgroup.c
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@ -354,7 +354,8 @@ static bool match_exception_partial(struct list_head *exceptions, short type,
{ {
struct dev_exception_item *ex; struct dev_exception_item *ex;
list_for_each_entry_rcu(ex, exceptions, list) { list_for_each_entry_rcu(ex, exceptions, list,
lockdep_is_held(&devcgroup_mutex)) {
if ((type & DEVCG_DEV_BLOCK) && !(ex->type & DEVCG_DEV_BLOCK)) if ((type & DEVCG_DEV_BLOCK) && !(ex->type & DEVCG_DEV_BLOCK))
continue; continue;
if ((type & DEVCG_DEV_CHAR) && !(ex->type & DEVCG_DEV_CHAR)) if ((type & DEVCG_DEV_CHAR) && !(ex->type & DEVCG_DEV_CHAR))