diff options
| author |   Johannes Berg <johannes.berg@intel.com> | 2018-10-08 09:48:31 +0200 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2018-10-08 09:48:36 +0200 |
| commit | 188de5dd80b2b7986e75821374efb67081049b6e (patch) | |
| tree | 545bbc0fdb58f30c0175128e3b5a9c00c89e2020 /kernel/locking/test-ww_mutex.c | |
| parent | cfg80211: sort tracing properly (diff) | |
| parent | net: vhost: remove bad code line (diff) | |
| download | linux-dev-188de5dd80b2b7986e75821374efb67081049b6e.tar.xz linux-dev-188de5dd80b2b7986e75821374efb67081049b6e.zip | |
Merge remote-tracking branch 'net-next/master' into mac80211-next
Merge net-next, which pulled in net, so I can merge a few more
patches that would otherwise conflict.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'kernel/locking/test-ww_mutex.c')
| -rw-r--r-- | kernel/locking/test-ww_mutex.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/kernel/locking/test-ww_mutex.c b/kernel/locking/test-ww_mutex.c index 0be047dbd897..65a3b7e55b9f 100644 --- a/kernel/locking/test-ww_mutex.c +++ b/kernel/locking/test-ww_mutex.c @@ -260,7 +260,7 @@ static void test_cycle_work(struct work_struct *work) { struct test_cycle *cycle = container_of(work, typeof(*cycle), work); struct ww_acquire_ctx ctx; - int err; + int err, erra = 0; ww_acquire_init(&ctx, &ww_class); ww_mutex_lock(&cycle->a_mutex, &ctx); @@ -270,17 +270,19 @@ static void test_cycle_work(struct work_struct *work) err = ww_mutex_lock(cycle->b_mutex, &ctx); if (err == -EDEADLK) { + err = 0; ww_mutex_unlock(&cycle->a_mutex); ww_mutex_lock_slow(cycle->b_mutex, &ctx); - err = ww_mutex_lock(&cycle->a_mutex, &ctx); + erra = ww_mutex_lock(&cycle->a_mutex, &ctx); } if (!err) ww_mutex_unlock(cycle->b_mutex); - ww_mutex_unlock(&cycle->a_mutex); + if (!erra) + ww_mutex_unlock(&cycle->a_mutex); ww_acquire_fini(&ctx); - cycle->result = err; + cycle->result = err ?: erra; } static int __test_cycle(unsigned int nthreads) |