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| author | Paul E. McKenney <paulmck@kernel.org> | 2019-12-10 06:13:45 +0300 |
|---|---|---|
| committer | Paul E. McKenney <paulmck@kernel.org> | 2019-12-12 21:19:40 +0300 |
| commit | 1a271ebbfe33a44f61e02d35a2950ab00b32850b (patch) | |
| tree | 3656aebe9a5abe084551ecb54795d06fe21bab02 /net/tipc/crypto.c | |
| parent | e42617b825f8073569da76dc4510bfa019b1c35a (diff) | |
| download | linux-1a271ebbfe33a44f61e02d35a2950ab00b32850b.tar.xz | |
net/tipc: Replace rcu_swap_protected() with rcu_replace_pointer()
This commit replaces the use of rcu_swap_protected() with the more
intuitively appealing rcu_replace_pointer() as a step towards removing
rcu_swap_protected().
Link: https://lore.kernel.org/lkml/CAHk-=wiAsJLw1egFEE=Z7-GGtM6wcvtyytXZA1+BHqta4gg6Hw@mail.gmail.com/
Reported-by: Linus Torvalds <torvalds@linux-foundation.org>
Reported-by: kbuild test robot <lkp@intel.com>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
[ paulmck: Updated based on Ying Xue and Tuong Lien Tong feedback. ]
Cc: Jon Maloy <jon.maloy@ericsson.com>
Cc: Ying Xue <ying.xue@windriver.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: <netdev@vger.kernel.org>
Cc: <tipc-discussion@lists.sourceforge.net>
Diffstat (limited to 'net/tipc/crypto.c')
| -rw-r--r-- | net/tipc/crypto.c | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/net/tipc/crypto.c b/net/tipc/crypto.c index 990a872cec46..c8c47fc72653 100644 --- a/net/tipc/crypto.c +++ b/net/tipc/crypto.c @@ -257,9 +257,6 @@ static char *tipc_key_change_dump(struct tipc_key old, struct tipc_key new, #define tipc_aead_rcu_ptr(rcu_ptr, lock) \ rcu_dereference_protected((rcu_ptr), lockdep_is_held(lock)) -#define tipc_aead_rcu_swap(rcu_ptr, ptr, lock) \ - rcu_swap_protected((rcu_ptr), (ptr), lockdep_is_held(lock)) - #define tipc_aead_rcu_replace(rcu_ptr, ptr, lock) \ do { \ typeof(rcu_ptr) __tmp = rcu_dereference_protected((rcu_ptr), \ @@ -1189,7 +1186,7 @@ static bool tipc_crypto_key_try_align(struct tipc_crypto *rx, u8 new_pending) /* Move passive key if any */ if (key.passive) { - tipc_aead_rcu_swap(rx->aead[key.passive], tmp2, &rx->lock); + tmp2 = rcu_replace_pointer(rx->aead[key.passive], tmp2, lockdep_is_held(&rx->lock)); x = (key.passive - key.pending + new_pending) % KEY_MAX; new_passive = (x <= 0) ? x + KEY_MAX : x; } |