Messages in this thread Patch in this message | | | From | Monam Agarwal <> | Subject | [PATCH] block: Use RCU_INIT_POINTER(x, NULL) in blk-cgroup.c | Date | Sat, 22 Mar 2014 12:33:58 +0530 |
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This patch replaces rcu_assign_pointer(x, NULL) with RCU_INIT_POINTER(x, NULL)
Since rcu_assign_pointer() is to ensure that the initialization of a structure is carried out before storing a pointer to that structure. So, rcu_assign_pointer(p, NULL) can be safely converted to RCU_INIT_POINTER(p, NULL).
Signed-off-by: Monam Agarwal <monamagarwal123@gmail.com> --- block/blk-cgroup.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c index 4e491d9..fc62c47 100644 --- a/block/blk-cgroup.c +++ b/block/blk-cgroup.c @@ -337,7 +337,7 @@ static void blkg_destroy(struct blkcg_gq *blkg) * will. Hint assignment itself can race safely. */ if (rcu_dereference_raw(blkcg->blkg_hint) == blkg) - rcu_assign_pointer(blkcg->blkg_hint, NULL); + RCU_INIT_POINTER(blkcg->blkg_hint, NULL); /* * If root blkg is destroyed. Just clear the pointer since root_rl -- 1.7.9.5
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