i2c-msm-v2: Add NULL pointer check for DMA descriptor
Add NULL pointer check for RX/TX DMA descriptors to avoid
NULL dereference.
Change-Id: I71443204e79eb1afc37a6b312cf4aa9adcaa22c6
Signed-off-by:
Shrey Vijay <shreyv@codeaurora.org>
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