Messages in this thread Patch in this message | | | From | Monam Agarwal <> | Subject | [PATCH] net/mac80211: Use RCU_INIT_POINTER(x, NULL) in chan.c | Date | Mon, 24 Mar 2014 00:44:47 +0530 |
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This patch replaces rcu_assign_pointer(x, NULL) with RCU_INIT_POINTER(x, NULL)
The rcu_assign_pointer() ensures that the initialization of a structure is carried out before storing a pointer to that structure. And in the case of the NULL pointer, there is no structure to initialize. So, rcu_assign_pointer(p, NULL) can be safely converted to RCU_INIT_POINTER(p, NULL)
Signed-off-by: Monam Agarwal <monamagarwal123@gmail.com> --- net/mac80211/chan.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/mac80211/chan.c b/net/mac80211/chan.c index bd1fd8e..b297bd3 100644 --- a/net/mac80211/chan.c +++ b/net/mac80211/chan.c @@ -392,7 +392,7 @@ static void ieee80211_unassign_vif_chanctx(struct ieee80211_sub_if_data *sdata, lockdep_assert_held(&local->chanctx_mtx); ctx->refcount--; - rcu_assign_pointer(sdata->vif.chanctx_conf, NULL); + RCU_INIT_POINTER(sdata->vif.chanctx_conf, NULL); sdata->vif.bss_conf.idle = true; -- 1.7.9.5
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