commit | c93a1fab248c46487da803590a0f1cec135cd96a | [log] [tgz] |
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author | Jim Blackler <jimblackler@google.com> | Thu Jun 13 11:54:36 2019 +0100 |
committer | Jim Blackler <jimblackler@google.com> | Tue Jul 09 13:45:40 2019 +0100 |
tree | 6041895fccac8e6095797cc48fa30b159194e976 | |
parent | 282d84add5d7d1d9e937c76c0e90efd8490a11d6 [diff] |
ANDROID: Avoid taking multiple locks in handle_lmk_event Conflicting lock events have been reported resulting from rcu_read_lock, mmap_sem (in get_cmdline) and lmk_event_lock. This CL avoids the possibility of these conditions by moving handle_lmk_event outside rcu_read_lock and invoking get_cmdline before lmk_event_lock is taken. Bug: 133479338, 133829075 Signed-off-by: Jim Blackler <jimblackler@google.com> Change-Id: Ib3c32587472bd972e3ac108798e2af3f4a5c329a