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author | Kangjie Lu <kjlu@umn.edu> | 2019-03-11 00:53:33 -0500 |
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committer | Ulf Hansson <ulf.hansson@linaro.org> | 2019-04-15 11:55:54 +0200 |
commit | 611025983b7976df0183390a63a2166411d177f1 (patch) | |
tree | 9981d2458249e557310bdca207525192fc8447de /drivers/mmc/host/mmc_spi.c | |
parent | 1f1929f3f2faf0815e602aa31d6ac955fb22163d (diff) | |
download | linux-611025983b7976df0183390a63a2166411d177f1.tar.gz linux-611025983b7976df0183390a63a2166411d177f1.tar.bz2 linux-611025983b7976df0183390a63a2166411d177f1.zip |
mmc_spi: add a status check for spi_sync_locked
In case spi_sync_locked fails, the fix reports the error and
returns the error code upstream.
Signed-off-by: Kangjie Lu <kjlu@umn.edu>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers/mmc/host/mmc_spi.c')
-rw-r--r-- | drivers/mmc/host/mmc_spi.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/mmc/host/mmc_spi.c b/drivers/mmc/host/mmc_spi.c index 1b1498805972..a3533935e282 100644 --- a/drivers/mmc/host/mmc_spi.c +++ b/drivers/mmc/host/mmc_spi.c @@ -819,6 +819,10 @@ mmc_spi_readblock(struct mmc_spi_host *host, struct spi_transfer *t, } status = spi_sync_locked(spi, &host->m); + if (status < 0) { + dev_dbg(&spi->dev, "read error %d\n", status); + return status; + } if (host->dma_dev) { dma_sync_single_for_cpu(host->dma_dev, |