From d569b4b0a4f34969f83ef8ec89b44f406553e72b Mon Sep 17 00:00:00 2001 From: Peng Fan Date: Tue, 6 Aug 2019 02:48:04 +0000 Subject: [PATCH] mmc: tangier_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 Cc: Vincent Tinelli Signed-off-by: Peng Fan --- drivers/mmc/tangier_sdhci.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/mmc/tangier_sdhci.c b/drivers/mmc/tangier_sdhci.c index 4c33356b9f..0d6e5d6246 100644 --- a/drivers/mmc/tangier_sdhci.c +++ b/drivers/mmc/tangier_sdhci.c @@ -51,13 +51,14 @@ static int sdhci_tangier_probe(struct udevice *dev) /* MMC_VDD_32_33 | MMC_VDD_33_34 | MMC_VDD_165_195 */ host->voltages = MMC_VDD_165_195; + host->mmc = &plat->mmc; + host->mmc->dev = dev; ret = sdhci_setup_cfg(&plat->cfg, host, SDHCI_TANGIER_FMAX, SDHCI_TANGIER_FMIN); if (ret) return ret; upriv->mmc = &plat->mmc; - host->mmc = &plat->mmc; host->mmc->priv = host; return sdhci_probe(dev); -- 2.39.5