atm: idt77252: Add missing `dma_map_error()`
The DMA map functions can fail and should be tested for errors. Signed-off-by:Thomas Fourier <fourier.thomas@gmail.com> Reviewed-by:
Simon Horman <horms@kernel.org> Link: https://patch.msgid.link/20250624064148.12815-3-fourier.thomas@gmail.com Signed-off-by:
Jakub Kicinski <kuba@kernel.org>
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