mmc: fsl_esdhc: Check the result from malloc()
malloc can fail, so we should better check its return value before using it.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
diff --git a/drivers/mmc/fsl_esdhc.c b/drivers/mmc/fsl_esdhc.c
index f87e647..a7170b4 100644
--- a/drivers/mmc/fsl_esdhc.c
+++ b/drivers/mmc/fsl_esdhc.c
@@ -518,6 +518,8 @@
return -1;
mmc = malloc(sizeof(struct mmc));
+ if (!mmc)
+ return -ENOMEM;
sprintf(mmc->name, "FSL_SDHC");
regs = (struct fsl_esdhc *)cfg->esdhc_base;