diff options
| author | Jack Wang <[email protected]> | 2022-08-25 09:40:07 +0200 |
|---|---|---|
| committer | Ulf Hansson <[email protected]> | 2022-09-14 11:53:47 +0200 |
| commit | f7865ad8b4003ec75faf4a69363a804851b68c7d (patch) | |
| tree | f6d8eb82e5d780cfce418af826f4e9e3cf0629a3 | |
| parent | 5cbedf52608cc3cbc1c2a9a861fb671620427a20 (diff) | |
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 <[email protected]>
Cc: Kevin Hilman <[email protected]>
Cc: Jerome Brunet <[email protected]>
Cc: Martin Blumenstingl <[email protected]>
Signed-off-by: Jack Wang <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Ulf Hansson <[email protected]>
| -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; } |