diff options
| author | Jack Wang <jinpu.wang@ionos.com> | 2022-08-25 10:40:07 +0300 |
|---|---|---|
| committer | Ulf Hansson <ulf.hansson@linaro.org> | 2022-09-14 12:53:47 +0300 |
| commit | f7865ad8b4003ec75faf4a69363a804851b68c7d (patch) | |
| tree | f6d8eb82e5d780cfce418af826f4e9e3cf0629a3 /drivers/mmc/host | |
| parent | 5cbedf52608cc3cbc1c2a9a861fb671620427a20 (diff) | |
| download | linux-f7865ad8b4003ec75faf4a69363a804851b68c7d.tar.xz | |
mmc: meson-mx-sdhc: Fix error check for dma_map_sg
dma_map_sg return 0 on error, also change the type for dma_len
from int to unsigned int.
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>
Signed-off-by: Jack Wang <jinpu.wang@ionos.com>
Link: https://lore.kernel.org/r/20220825074008.33349-2-jinpu.wang@ionos.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers/mmc/host')
| -rw-r--r-- | drivers/mmc/host/meson-mx-sdhc-mmc.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/mmc/host/meson-mx-sdhc-mmc.c b/drivers/mmc/host/meson-mx-sdhc-mmc.c index e92e63cb5641..da85c2f2acb8 100644 --- a/drivers/mmc/host/meson-mx-sdhc-mmc.c +++ b/drivers/mmc/host/meson-mx-sdhc-mmc.c @@ -381,14 +381,14 @@ static void meson_mx_sdhc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) static int meson_mx_sdhc_map_dma(struct mmc_host *mmc, struct mmc_request *mrq) { struct mmc_data *data = mrq->data; - int dma_len; + unsigned int dma_len; if (!data) return 0; 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; } |