lkml.org 
[lkml]   [2022]   [Aug]   [19]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH v1 18/19] mmc: jz4740_mmc: Fix error check for dma_map_sg
Date
dma_map_sg return 0 on error.

Cc: Paul Cercueil <paul@crapouillou.net>
Cc: Ulf Hansson <ulf.hansson@linaro.org>
Cc: linux-mips@vger.kernel.org
Cc: linux-mmc@vger.kernel.org
Cc: linux-kernel@vger.kernel.org

Signed-off-by: Jack Wang <jinpu.wang@ionos.com>
---
drivers/mmc/host/jz4740_mmc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mmc/host/jz4740_mmc.c b/drivers/mmc/host/jz4740_mmc.c
index b1d563b2ed1b..666600055b06 100644
--- a/drivers/mmc/host/jz4740_mmc.c
+++ b/drivers/mmc/host/jz4740_mmc.c
@@ -308,7 +308,7 @@ static int jz4740_mmc_prepare_dma_data(struct jz4740_mmc_host *host,
data->sg_len,
dir);

- if (sg_count <= 0) {
+ if (!sg_count) {
dev_err(mmc_dev(host->mmc),
"Failed to map scatterlist for DMA operation\n");
return -EINVAL;
--
2.34.1
\
 
 \ /
  Last update: 2022-08-19 08:10    [W:0.220 / U:0.256 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site