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Fix incorrect decision about which lock to take.

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Spotted by Tom Lane.
This commit is contained in:
Robert Haas 2016-02-21 17:06:41 +05:30
parent d91a4a6c85
commit 88aca5662d
1 changed files with 1 additions and 1 deletions
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src/backend/storage/lmgr/proc.c
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@ -1805,7 +1805,7 @@ BecomeLockGroupMember(PGPROC *leader, int pid)
* initialization and never change thereafter; so we will acquire the * initialization and never change thereafter; so we will acquire the
* correct lock even if the leader PGPROC is in process of being recycled. * correct lock even if the leader PGPROC is in process of being recycled.
*/ */
leader_lwlock = LockHashPartitionLockByProc(MyProc); leader_lwlock = LockHashPartitionLockByProc(leader);
LWLockAcquire(leader_lwlock, LW_EXCLUSIVE); LWLockAcquire(leader_lwlock, LW_EXCLUSIVE);
/* Try to join the group */ /* Try to join the group */