The patch titled
Subject: mm/memcontrol: remove redundant NULL check
has been added to the -mm tree. Its filename is
mm-memcontrol-remove-redundant-null-check.patch
This patch should soon appear at
https://ozlabs.org/~akpm/mmots/broken-out/mm-memcontrol-remove-redundant-null-check.patch
and later at
https://ozlabs.org/~akpm/mmotm/broken-out/mm-memcontrol-remove-redundant-null-check.patch
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------------------------------------------------------
From: Yang Li <abaci-bugfix@xxxxxxxxxxxxxxxxx>
Subject: mm/memcontrol: remove redundant NULL check
Fix below warnings reported by coccicheck:
./mm/memcontrol.c:451:3-9: WARNING: NULL check before some freeing
functions is not needed.
Link: https://lkml.kernel.org/r/1611216029-34397-1-git-send-email-abaci-bugfix@xxxxxxxxxxxxxxxxx
Signed-off-by: Yang Li <abaci-bugfix@xxxxxxxxxxxxxxxxx>
Reported-by: Abaci Robot <abaci@xxxxxxxxxxxxxxxxx>
Reviewed-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/memcontrol.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
--- a/mm/memcontrol.c~mm-memcontrol-remove-redundant-null-check
+++ a/mm/memcontrol.c
@@ -452,8 +452,7 @@ static void memcg_free_shrinker_maps(str
for_each_node(nid) {
pn = mem_cgroup_nodeinfo(memcg, nid);
map = rcu_dereference_protected(pn->shrinker_map, true);
- if (map)
- kvfree(map);
+ kvfree(map);
rcu_assign_pointer(pn->shrinker_map, NULL);
}
}
_
Patches currently in -mm which might be from abaci-bugfix@xxxxxxxxxxxxxxxxx are
mm-memcontrol-remove-redundant-null-check.patch
vmalloc-remove-redundant-null-check.patch
