[U-Boot] [PATCH] mmc/dwmmc: Using calloc instead malloc

[Chin Liang See <clsee@altera.com>]

To enhance the SDMMC DesignWare driver to use calloc instead of
malloc. This will avoid the incident that uninitialized members
of mmc structure are later used for NULL comparison.

Signed-off-by: Chin Liang See <clsee@altera.com>
Cc: Rajeshwari Shinde <rajeshwari.s@samsung.com>
Cc: Jaehoon Chung <jh80.chung@samsung.com>
Cc: Mischa Jonker <mjonker@synopsys.com>
Cc: Alexey Brodkin <abrodkin@synopsys.com>
Cc: Andy Fleming <afleming@freescale.com>
---
 drivers/mmc/dw_mmc.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
 mode change 100644 => 100755 drivers/mmc/dw_mmc.c

diff --git a/drivers/mmc/dw_mmc.c b/drivers/mmc/dw_mmc.c
old mode 100644
new mode 100755
index 19d9b0b..82abe19
--- a/drivers/mmc/dw_mmc.c
+++ b/drivers/mmc/dw_mmc.c
@@ -336,9 +336,9 @@ int add_dwmci(struct dwmci_host *host, u32 max_clk, u32 min_clk)
 	struct mmc *mmc;
 	int err = 0;
 
-	mmc = malloc(sizeof(struct mmc));
+	mmc = calloc(sizeof(struct mmc), 1);
 	if (!mmc) {
-		printf("mmc malloc fail!\n");
+		printf("mmc calloc fail!\n");
 		return -1;
 	}
 
-- 
1.7.9.5