[U-Boot] [PATCH 5/7] mmc: s5p: fix uninitialized pointer deref on probe

Peng Fan peng.fan at nxp.com
Tue Aug 6 02:47:59 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: Jaehoon Chung <jh80.chung at samsung.com>
Signed-off-by: Peng Fan <peng.fan at nxp.com>
---
 drivers/mmc/s5p_sdhci.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/mmc/s5p_sdhci.c b/drivers/mmc/s5p_sdhci.c
index 9dd0b865eb..53efa968cf 100644
--- a/drivers/mmc/s5p_sdhci.c
+++ b/drivers/mmc/s5p_sdhci.c
@@ -204,13 +204,13 @@ static int s5p_sdhci_probe(struct udevice *dev)
 	if (ret)
 		return ret;
 
+	host->mmc = &plat->mmc;
+	host->mmc->dev = dev;
 	ret = sdhci_setup_cfg(&plat->cfg, host, 0, 400000);
 	if (ret)
 		return ret;
 
-	host->mmc = &plat->mmc;
 	host->mmc->priv = host;
-	host->mmc->dev = dev;
 	upriv->mmc = host->mmc;
 
 	return sdhci_probe(dev);
-- 
2.16.4



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