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authorKangjie Lu <kjlu@umn.edu>2019-03-11 00:53:33 -0500
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-06-11 12:24:00 +0200
commit8b0e6af16ae690e3f497a91def4d52cd72c66fc3 (patch)
tree0b30a14ae0f4ab6ef18792f7cb2329eb9a3ed87c /drivers/mmc
parenta30e90a8eb3ac873754a5873284d34216cbda2ab (diff)
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.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/mmc/host/mmc_spi.c b/drivers/mmc/host/mmc_spi.c
index e03ec74f3fb0..40a369c7005a 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,