From: Jack Wang <jinpu.wang@ionos.com>
To: linux-kernel@vger.kernel.org
Cc: Ulf Hansson <ulf.hansson@linaro.org>,
Neil Armstrong <narmstrong@baylibre.com>,
Kevin Hilman <khilman@baylibre.com>,
Jerome Brunet <jbrunet@baylibre.com>,
Martin Blumenstingl <martin.blumenstingl@googlemail.com>,
linux-mmc@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-amlogic@lists.infradead.org
Subject: [PATCH v1 17/19] mmc: meson-mx-sdhc: Fix error check for dma_map_sg
Date: Fri, 19 Aug 2022 08:07:59 +0200 [thread overview]
Message-ID: <20220819060801.10443-18-jinpu.wang@ionos.com> (raw)
In-Reply-To: <20220819060801.10443-1-jinpu.wang@ionos.com>
dma_map_sg return 0 on error.
Cc: Ulf Hansson <ulf.hansson@linaro.org>
Cc: Neil Armstrong <narmstrong@baylibre.com>
Cc: Kevin Hilman <khilman@baylibre.com>
Cc: Jerome Brunet <jbrunet@baylibre.com>
Cc: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Cc: linux-mmc@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-amlogic@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Jack Wang <jinpu.wang@ionos.com>
---
drivers/mmc/host/meson-mx-sdhc-mmc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/mmc/host/meson-mx-sdhc-mmc.c b/drivers/mmc/host/meson-mx-sdhc-mmc.c
index e92e63cb5641..b32364f20c32 100644
--- a/drivers/mmc/host/meson-mx-sdhc-mmc.c
+++ b/drivers/mmc/host/meson-mx-sdhc-mmc.c
@@ -388,7 +388,7 @@ static int meson_mx_sdhc_map_dma(struct mmc_host *mmc, struct mmc_request *mrq)
dma_len = dma_map_sg(mmc_dev(mmc), data->sg, data->sg_len,
mmc_get_dma_dir(data));
- if (dma_len <= 0) {
+ if (!dma_len) {
dev_err(mmc_dev(mmc), "dma_map_sg failed\n");
return -ENOMEM;
}
--
2.34.1
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next prev parent reply other threads:[~2022-08-19 6:09 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20220819060801.10443-1-jinpu.wang@ionos.com>
2022-08-19 6:07 ` [PATCH v1 10/19] crypto: amlogic: Fix dma_map_sg error check Jack Wang
2022-08-26 12:46 ` LABBE Corentin
2022-08-19 6:07 ` Jack Wang [this message]
2022-08-20 17:25 ` [PATCH v1 17/19] mmc: meson-mx-sdhc: Fix error check for dma_map_sg Martin Blumenstingl
2022-08-22 5:15 ` Jinpu Wang
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