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authorJonathan Marek <jonathan@marek.ca>2021-02-08 21:04:01 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-02-09 10:56:39 +0100
commitb212658aebda82f92967bcbd4c7380d607c3d803 (patch)
treef985199c25cdfe43bbaff822e5416f5494cbc87e /drivers/misc/fastrpc.c
parentbus: fsl-mc: list more commands as accepted through the ioctl (diff)
downloadlinux-b212658aebda82f92967bcbd4c7380d607c3d803.tar.xz
linux-b212658aebda82f92967bcbd4c7380d607c3d803.zip
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: 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>
Diffstat (limited to '')
-rw-r--r--drivers/misc/fastrpc.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/misc/fastrpc.c b/drivers/misc/fastrpc.c
index 70eb5ed942d0..f12e909034ac 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;
}