From ca4e7d674ee6931c7a4effd697e644d7646cfac0 Mon Sep 17 00:00:00 2001
From: Matt Pelland <mpelland@starry.com>
Date: Mon, 16 Apr 2018 10:08:18 -0400
Subject: [PATCH] mmc: mv_sdhci: zero out sdhci_host structure
The mv_sdhci driver was not zeroing the sdhci_host structure it
allocates causing random access violations in parts of the mmc core
where the "ops" member pointers are checked and called if not NULL.
Signed-off-by: Matt Pelland <mpelland@starry.com>
Reviewed-by: Stefan Roese <sr@denx.de>
Signed-off-by: Stefan Roese <sr@denx.de>
---
drivers/mmc/mv_sdhci.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/mmc/mv_sdhci.c b/drivers/mmc/mv_sdhci.c
index 69aa87babe..0ed0d38c90 100644
--- a/drivers/mmc/mv_sdhci.c
+++ b/drivers/mmc/mv_sdhci.c
@@ -68,7 +68,7 @@ static char *MVSDH_NAME = "mv_sdh";
int mv_sdh_init(unsigned long regbase, u32 max_clk, u32 min_clk, u32 quirks)
{
struct sdhci_host *host = NULL;
- host = (struct sdhci_host *)malloc(sizeof(struct sdhci_host));
+ host = calloc(1, sizeof(*host));
if (!host) {
printf("sdh_host malloc fail!\n");
return -ENOMEM;
--
2.39.5