From: Peng Fan <peng.fan@nxp.com>
Date: Tue, 6 Aug 2019 02:47:47 +0000 (+0000)
Subject: mmc: atmel_sdhci: fix uninitialized pointer deref on probe
X-Git-Tag: v2019.10-rc2~11^2~6
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=7835e8732262e3827e5604f82b56aabc5d720c45;p=platform%2Fkernel%2Fu-boot.git

mmc: atmel_sdhci: fix uninitialized pointer deref on probe

Commit 3d296365e4e8 ("mmc: sdhci: Add support for
sdhci-caps-mask") sdhci_setup_cfg() expects a valid sdhci_host mmc
field.

Fixes: 3d296365e4e8 ("mmc: sdhci: Add support for sdhci-caps-mask")
Cc: Faiz Abbas <faiz_abbas@ti.com>
Cc: Wenyou Yang <wenyou.yang@atmel.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Tested-by: Eugen Hristev <eugen.hristev@microchip.com>
---

diff --git a/drivers/mmc/atmel_sdhci.c b/drivers/mmc/atmel_sdhci.c
index 4be47ba..d930ed8 100644
--- a/drivers/mmc/atmel_sdhci.c
+++ b/drivers/mmc/atmel_sdhci.c
@@ -88,13 +88,13 @@ static int atmel_sdhci_probe(struct udevice *dev)
 		return -EINVAL;
 
 	host->max_clk = max_clk;
+	host->mmc = &plat->mmc;
+	host->mmc->dev = dev;
 
 	ret = sdhci_setup_cfg(&plat->cfg, host, 0, ATMEL_SDHC_MIN_FREQ);
 	if (ret)
 		return ret;
 
-	host->mmc = &plat->mmc;
-	host->mmc->dev = dev;
 	host->mmc->priv = host;
 	upriv->mmc = host->mmc;