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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>
This commit is contained in:
Kangjie Lu 2019-03-11 00:53:33 -05:00 committed by Ulf Hansson
parent 1f1929f3f2
commit 611025983b
1 changed files with 4 additions and 0 deletions
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4
drivers/mmc/host/mmc_spi.c
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@ -819,6 +819,10 @@ mmc_spi_readblock(struct mmc_spi_host *host, struct spi_transfer *t,
} }
status = spi_sync_locked(spi, &host->m); 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) { if (host->dma_dev) {
dma_sync_single_for_cpu(host->dma_dev, dma_sync_single_for_cpu(host->dma_dev,