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misc: fastrpc: fix incorrect usage of dma_map_sgtable
[ Upstream commitb212658aeb
] dma_map_sgtable() returns 0 on success, which is the opposite of what this code was doing. Fixes:7cd7edb894
("misc: fastrpc: fix common struct sg_table related issues") Acked-by: Marek Szyprowski <m.szyprowski@samsung.com> Signed-off-by: Jonathan Marek <jonathan@marek.ca> Link: https://lore.kernel.org/r/20210208200401.31100-1-jonathan@marek.ca Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
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1 changed files with 4 additions and 3 deletions
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@ -520,12 +520,13 @@ fastrpc_map_dma_buf(struct dma_buf_attachment *attachment,
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{
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struct fastrpc_dma_buf_attachment *a = attachment->priv;
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struct sg_table *table;
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int ret;
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table = &a->sgt;
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if (!dma_map_sgtable(attachment->dev, table, dir, 0))
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return ERR_PTR(-ENOMEM);
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ret = dma_map_sgtable(attachment->dev, table, dir, 0);
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if (ret)
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table = ERR_PTR(ret);
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return table;
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}
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