[compiler-rt] 03372e7 - tsan: remove unbalanced mutex unlock

[Dmitry Vyukov via llvm-commits]

Author: Dmitry Vyukov
Date: 2021-08-02T14:17:12+02:00
New Revision: 03372e72d30294fe67012cd5cc0f069ce25cce3e

URL: https://github.com/llvm/llvm-project/commit/03372e72d30294fe67012cd5cc0f069ce25cce3e
DIFF: https://github.com/llvm/llvm-project/commit/03372e72d30294fe67012cd5cc0f069ce25cce3e.diff

LOG: tsan: remove unbalanced mutex unlock

The mutex is now unlocked by the scoped Lock object.

Differential Revision: https://reviews.llvm.org/D107266

Added: 
    

Modified: 
    compiler-rt/lib/tsan/rtl/tsan_rtl_mutex.cpp

Removed: 
    


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diff  --git a/compiler-rt/lib/tsan/rtl/tsan_rtl_mutex.cpp b/compiler-rt/lib/tsan/rtl/tsan_rtl_mutex.cpp
index 342d65cf43d4..c199a2ec7ad2 100644
--- a/compiler-rt/lib/tsan/rtl/tsan_rtl_mutex.cpp
+++ b/compiler-rt/lib/tsan/rtl/tsan_rtl_mutex.cpp
@@ -204,7 +204,6 @@ void MutexPostLock(ThreadState *thr, uptr pc, uptr addr, u32 flagz, int rec) {
       ctx->dd->MutexAfterLock(&cb, &s->dd, true, flagz & MutexFlagTryLock);
     }
     mid = s->GetId();
-    s->mtx.Unlock();
   }
   if (report_double_lock)
     ReportMutexMisuse(thr, pc, ReportTypeMutexDoubleLock, addr, mid);