mmc: msm_sdhci: fix uninitialized pointer deref on probe
authorPeng Fan <peng.fan@nxp.com>
Tue, 6 Aug 2019 02:47:53 +0000 (02:47 +0000)
committerPeng Fan <peng.fan@nxp.com>
Fri, 9 Aug 2019 05:45:25 +0000 (13:45 +0800)
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: Ramon Fried <rfried.dev@gmail.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
drivers/mmc/msm_sdhci.c

index 51f9e0ec05837625efc65ebc6570ad91e3458273..cae42ec4acebb75f192f977dc314510dc86337df 100644 (file)
@@ -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);