HSI: omap_ssi_port: Fix dma_map_sg error check
[ Upstream commit 551e325b ] dma_map_sg return 0 on error, in case of error return -EIO to caller. Cc: Sebastian Reichel <sre@kernel.org> Cc: linux-kernel@vger.kernel.org (open list) Fixes: b209e047 ("HSI: Introduce OMAP SSI driver") Signed-off-by: Jack Wang <jinpu.wang@ionos.com> Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
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