[U-Boot] [PATCH 3/7] mmc: msm_sdhci: fix uninitialized pointer deref on probe

Peng Fan peng.fan at nxp.com
Tue Aug 6 02:47:53 UTC 2019


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 at ti.com>
Cc: Ramon Fried <rfried.dev at gmail.com>
Signed-off-by: Peng Fan <peng.fan at nxp.com>
---
 drivers/mmc/msm_sdhci.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/mmc/msm_sdhci.c b/drivers/mmc/msm_sdhci.c
index 51f9e0ec05..cae42ec4ac 100644
--- a/drivers/mmc/msm_sdhci.c
+++ b/drivers/mmc/msm_sdhci.c
@@ -141,12 +141,12 @@ static int msm_sdc_probe(struct udevice *dev)
 		writel(caps, host->ioaddr + SDHCI_VENDOR_SPEC_CAPABILITIES0);
 	}
 
-	ret = sdhci_setup_cfg(&plat->cfg, host, 0, 0);
 	host->mmc = &plat->mmc;
+	host->mmc->dev = dev;
+	ret = sdhci_setup_cfg(&plat->cfg, host, 0, 0);
 	if (ret)
 		return ret;
 	host->mmc->priv = &prv->host;
-	host->mmc->dev = dev;
 	upriv->mmc = host->mmc;
 
 	return sdhci_probe(dev);
-- 
2.16.4



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