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The DMA map functions can fail and should be tested for errors. If the mapping fails, unmap and return an error. Signed-off-by: Thomas Fourier <fourier.thomas@gmail.com> Acked-by: Mark Einon <mark.einon@gmail.com> Reviewed-by: Simon Horman <horms@kernel.org> Link: https://patch.msgid.link/20250716094733.28734-2-fourier.thomas@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>