[no subject]

[Tejun Heo]

fa7e439cf90b ("cgroup: Homogenize cgroup_get_from_id() return value") broken
build when CONFIG_SHRINKER_DEBUG by trying to return an errno from
mem_cgroup_get_from_ino() which returns struct mem_cgroup *. Fix by using
ERR_CAST() instead.

Signed-off-by: Tejun Heo <tj@xxxxxxxxxx>
Reported-by: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
Cc: Michal Koutn�utny@xxxxxxxx>f
Fixes: fa7e439cf90b ("cgroup: Homogenize cgroup_get_from_id() return value")
---
Sorry about that. Applied this fix to cgroup/for-6.1.

Thanks.

 mm/memcontrol.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 86f5ca8c6fa6..e9fc364d5e96 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -5111,7 +5111,7 @@ struct mem_cgroup *mem_cgroup_get_from_ino(unsigned long ino)
 
 	cgrp = cgroup_get_from_id(ino);
 	if (IS_ERR(cgrp))
-		return PTR_ERR(cgrp);
+		return ERR_CAST(cgrp);
 
 	css = cgroup_get_e_css(cgrp, &memory_cgrp_subsys);
 	if (css)
-- 
2.37.2