diff options
| author | Jonathan Marek <jonathan@marek.ca> | 2021-02-08 15:04:01 -0500 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-03-04 11:38:14 +0100 |
| commit | dc798d57ca782c8255643c7ca32a8f003a0ae9b6 (patch) | |
| tree | fa49677cf58fd0fa57ba14f9463e8a386643c618 | |
| parent | 787d7067c36b5d0be812a220b0c9db76a8c669e1 (diff) | |
| download | linux-stable-dc798d57ca782c8255643c7ca32a8f003a0ae9b6.tar.gz linux-stable-dc798d57ca782c8255643c7ca32a8f003a0ae9b6.tar.bz2 linux-stable-dc798d57ca782c8255643c7ca32a8f003a0ae9b6.zip | |
misc: fastrpc: fix incorrect usage of dma_map_sgtable
[ Upstream commit b212658aebda82f92967bcbd4c7380d607c3d803 ]
dma_map_sgtable() returns 0 on success, which is the opposite of what this
code was doing.
Fixes: 7cd7edb89437 ("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>
| -rw-r--r-- | drivers/misc/fastrpc.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/misc/fastrpc.c b/drivers/misc/fastrpc.c index 994ab67bc2dc..815d01f785df 100644 --- a/drivers/misc/fastrpc.c +++ b/drivers/misc/fastrpc.c @@ -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; } |