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| author | Kangjie Lu <kjlu@umn.edu> | 2019-03-11 00:53:33 -0500 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-05-31 06:47:27 -0700 |
| commit | b5128b96309a4c7dd44f15b7ad74a5614f3c520b (patch) | |
| tree | 606e16e2c9fa4346779adafc575ff4447fc6d4aa /drivers/mmc | |
| parent | b3ba0c83cd23be8b9ae31d7875da40ca460c2a36 (diff) | |
| download | linux-stable-b5128b96309a4c7dd44f15b7ad74a5614f3c520b.tar.gz linux-stable-b5128b96309a4c7dd44f15b7ad74a5614f3c520b.tar.bz2 linux-stable-b5128b96309a4c7dd44f15b7ad74a5614f3c520b.zip | |
mmc_spi: add a status check for spi_sync_locked
[ Upstream commit 611025983b7976df0183390a63a2166411d177f1 ]
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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/mmc')
| -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 67f6bd24a9d0..ea254d00541f 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, |