i2c-qcom-geni: Handle corner cases in GSI transfer
Add check to handle if the IOMMU buffer mapping fails,
also make sure to unmap buffer in case of prep_slave_sg failure.
Change-Id: I926a6ce5b10a3c7f29210cba5179cc795ec0c1b4
Signed-off-by:
Shrey Vijay <shreyv@codeaurora.org>
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