From: Amit Pundir <amit.pundir@linaro.org>
Date: Wed, 1 Apr 2015 08:28:39 +0000 (+0530)
Subject: cgroup: memcg: pass correct argument to subsys_cgroup_allow_attach
X-Git-Tag: firefly_0821_release~2958^2~166
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=dccfe9526bde3e8140b3b97d7fc457e62dbcc75b;p=firefly-linux-kernel-4.4.55.git

cgroup: memcg: pass correct argument to subsys_cgroup_allow_attach

Pass correct argument to subsys_cgroup_allow_attach(), which
expects 'struct cgroup_subsys_state *' argument but we pass
'struct cgroup *' instead which doesn't seem right.

This fixes following 'incompatible pointer type' compiler warning:
----------
  CC      mm/memcontrol.o
mm/memcontrol.c: In function ‘mem_cgroup_allow_attach’:
mm/memcontrol.c:5052:2: warning: passing argument 1 of ‘subsys_cgroup_allow_attach’ from incompatible pointer type [enabled by default]
In file included from include/linux/memcontrol.h:22:0,
                 from mm/memcontrol.c:29:
include/linux/cgroup.h:953:5: note: expected ‘struct cgroup_subsys_state *’ but argument is of type ‘struct cgroup *’
----------

Signed-off-by: Amit Pundir <amit.pundir@linaro.org>
---

diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index f98ed648cb58..83b222be7d37 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -4881,7 +4881,7 @@ static int mem_cgroup_can_attach(struct cgroup_taskset *tset)
 static int mem_cgroup_allow_attach(struct cgroup_subsys_state *css,
 				   struct cgroup_taskset *tset)
 {
-	return subsys_cgroup_allow_attach(css->cgroup, tset);
+	return subsys_cgroup_allow_attach(css, tset);
 }
 
 static void mem_cgroup_cancel_attach(struct cgroup_taskset *tset)