This change acquires fence_lock to serialize the enable_sw
signalling operation on dma_fence_array. It bails out
safely if the bind operation is called twice on the spec
fence. The error level for bind failure with invalid user fd
is changed to warning as this case can be treated non fatal.
Change-Id: I688cbc84ba3cfb49c54de9b5e1bf8a9ec9d8da3a
Signed-off-by: Narendra Muppalla <quic_nmuppall@quicinc.com>