| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.4 138/241] mmc_spi: add a status check for spi_sync_locked | Date | Sun, 9 Jun 2019 18:41:20 +0200 |
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[ 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> --- drivers/mmc/host/mmc_spi.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/drivers/mmc/host/mmc_spi.c b/drivers/mmc/host/mmc_spi.c index e03ec74f3fb08..40a369c7005a8 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, -- 2.20.1
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