From: Tobias Jakobi <tjakobi@math.uni-bielefeld.de>
Date: Mon, 5 Oct 2015 11:47:50 +0000 (+0200)
Subject: exynos: Properly zero initialize host in s5p_sdhci_init()
X-Git-Tag: v2015.10~23^2~3
X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=1a9d1731f93ad170f0c19b93407630b0fb966fd0;p=u-boot

exynos: Properly zero initialize host in s5p_sdhci_init()

This makes sure that setting the host_caps in s5p_sdhci_core_init()
doesn't operate on potentially uninitialized memory.

Acked-by: Lukasz Majewski <l.majewski@samsung.com>
Signed-off-by: Tobias Jakobi <tjakobi@math.uni-bielefeld.de>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
---

diff --git a/drivers/mmc/s5p_sdhci.c b/drivers/mmc/s5p_sdhci.c
index 4db51d6488..911e7a8307 100644
--- a/drivers/mmc/s5p_sdhci.c
+++ b/drivers/mmc/s5p_sdhci.c
@@ -84,9 +84,9 @@ static int s5p_sdhci_core_init(struct sdhci_host *host)
 
 int s5p_sdhci_init(u32 regbase, int index, int bus_width)
 {
-	struct sdhci_host *host = malloc(sizeof(struct sdhci_host));
+	struct sdhci_host *host = calloc(1, sizeof(struct sdhci_host));
 	if (!host) {
-		printf("sdhci__host malloc fail!\n");
+		printf("sdhci__host allocation fail!\n");
 		return 1;
 	}
 	host->ioaddr = (void *)regbase;