Commit b212658a authored by Jonathan Marek's avatar Jonathan Marek Committed by Greg Kroah-Hartman
Browse files

misc: fastrpc: fix incorrect usage of dma_map_sgtable 



dma_map_sgtable() returns 0 on success, which is the opposite of what this
code was doing.

Fixes: 7cd7edb8 ("misc: fastrpc: fix common struct sg_table related issues")
Acked-by: default avatarMarek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: default avatarJonathan Marek <jonathan@marek.ca>
Link: https://lore.kernel.org/r/20210208200401.31100-1-jonathan@marek.ca


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent d67cc29e

drivers/misc/fastrpc.c

+4 −3
Original line number Diff line number Diff line
@@ -520,12 +520,13 @@ fastrpc_map_dma_buf(struct dma_buf_attachment *attachment, 
{

	struct fastrpc_dma_buf_attachment *a = attachment->priv;

	struct sg_table *table;

	int ret;



	table = &a->sgt;



	if (!dma_map_sgtable(attachment->dev, table, dir, 0))

		return ERR_PTR(-ENOMEM);



	ret = dma_map_sgtable(attachment->dev, table, dir, 0);

	if (ret)

		table = ERR_PTR(ret);

	return table;

}