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crypto/rand: add missing Unlock
R=r CC=golang-dev https://golang.org/cl/1812043
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@ -32,6 +32,7 @@ func (r *devReader) Read(b []byte) (n int, err os.Error) {
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if r.f == nil {
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f, err := os.Open(r.name, os.O_RDONLY, 0)
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if f == nil {
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r.mu.Unlock()
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return 0, err
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}
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r.f = f
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@ -30,6 +30,7 @@ func (r *rngReader) Read(b []byte) (n int, err os.Error) {
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const flags = syscall.CRYPT_VERIFYCONTEXT | syscall.CRYPT_SILENT
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ok, errno := syscall.CryptAcquireContext(&r.prov, nil, nil, provType, flags)
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if !ok {
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r.mu.Unlock()
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return 0, os.NewSyscallError("CryptAcquireContext", errno)
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}
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}
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