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-rw-r--r--drivers/mmc/host/sdhci.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index 613e1ab6cac4..36f15f81a6af 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -1222,6 +1222,7 @@ static int sdhci_external_dma_setup(struct sdhci_host *host,
if (!host->mapbase)
return -EINVAL;
+ memset(&cfg, 0, sizeof(cfg));
cfg.src_addr = host->mapbase + SDHCI_BUFFER;
cfg.dst_addr = host->mapbase + SDHCI_BUFFER;
cfg.src_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;