mmc: dw_mmc: Stop bounce buffer even in case of failure
The driver didn't stop the bounce buffer in case a data transfer
failed. This would lead to memory leakage if the communication
between the CPU and the card is unreliable. Add the missing call
to stop the bounce buffer.
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Dinh Nguyen <dinguyen@opensource.altera.com>
Cc: Pantelis Antoniou <panto@antoniou-consulting.com>
Cc: Tom Rini <trini@konsulko.com>
diff --git a/drivers/mmc/dw_mmc.c b/drivers/mmc/dw_mmc.c
index 53a8aca..3fffa71 100644
--- a/drivers/mmc/dw_mmc.c
+++ b/drivers/mmc/dw_mmc.c
@@ -215,6 +215,7 @@
mask = dwmci_readl(host, DWMCI_RINTSTS);
if (mask & (DWMCI_DATA_ERR | DWMCI_DATA_TOUT)) {
printf("%s: DATA ERROR!\n", __func__);
+ bounce_buffer_stop(&bbstate);
return -1;
}
} while (!(mask & DWMCI_INTMSK_DTO));