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mmc: bcm2835_sdhci: Use calloc to allocate bcm2835_sdhci_host

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We need to clear the allocated memory explicitly as the included
struct sdhci_host has function pointers. Those are compared to NULL to
test if this (optional) feature is supported. Leaving them undefined let
u-boot jump to arbitrary memory.

Signed-off-by: Alexander Stein <alexanders83@web.de>
This commit is contained in:
Alexander Stein
2015-04-17 17:33:17 +02:00
committed by Pantelis Antoniou
parent 253d5bdd64
commit ebe78bb993
1 changed files with 2 additions and 2 deletions
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4
drivers/mmc/bcm2835_sdhci.c
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@@ -154,9 +154,9 @@ int bcm2835_sdhci_init(u32 regbase, u32 emmc_freq)
struct bcm2835_sdhci_host *bcm_host; struct bcm2835_sdhci_host *bcm_host;
struct sdhci_host *host; struct sdhci_host *host;
bcm_host = malloc(sizeof(*bcm_host)); bcm_host = calloc(1, sizeof(*bcm_host));
if (!bcm_host) { if (!bcm_host) {
printf("sdhci_host malloc fail!\n"); printf("sdhci_host calloc fail!\n");
return 1; return 1;
} }