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grpc: fix regression by freeing request bufferslice after processing …
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…unary (grpc#7571)
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coxley authored and purnesh42H committed Sep 10, 2024
1 parent a76e3c3 commit eaf704f
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Showing 2 changed files with 6 additions and 3 deletions.
8 changes: 5 additions & 3 deletions mem/buffer_slice.go
Original file line number Diff line number Diff line change
Expand Up @@ -92,9 +92,11 @@ func (s BufferSlice) Materialize() []byte {
}

// MaterializeToBuffer functions like Materialize except that it writes the data
// to a single Buffer pulled from the given BufferPool. As a special case, if the
// input BufferSlice only actually has one Buffer, this function has nothing to
// do and simply returns said Buffer.
// to a single Buffer pulled from the given BufferPool.
//
// As a special case, if the input BufferSlice only actually has one Buffer, this
// function simply increases the refcount before returning said Buffer. Freeing this
// buffer won't release it until the BufferSlice is itself released.
func (s BufferSlice) MaterializeToBuffer(pool BufferPool) Buffer {
if len(s) == 1 {
s[0].Ref()
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1 change: 1 addition & 0 deletions server.go
Original file line number Diff line number Diff line change
Expand Up @@ -1359,6 +1359,7 @@ func (s *Server) processUnaryRPC(ctx context.Context, t transport.ServerTranspor
}
return err
}
defer d.Free()
if channelz.IsOn() {
t.IncrMsgRecv()
}
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