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author | Kangjie Lu <kjlu@umn.edu> | 2019-03-11 08:53:33 +0300 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-05-31 16:43:33 +0300 |
commit | dec5d5480a20cba674cd824970357e7ce0b2e939 (patch) | |
tree | a8455a8f92dd61fb225bd193de7ce89e4981f2ba | |
parent | 022d0ac1a2b8f0611e9a179f3dffa32d9057e3db (diff) | |
download | linux-dec5d5480a20cba674cd824970357e7ce0b2e939.tar.xz |
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>
-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, |