On 22/12/20 10:48 am, Md Sadre Alam wrote: > of_device_get_match_data returns NULL when no match. > So add the NULL pointer check to avoid dereference. > > Signed-off-by: Md Sadre Alam <mdalam@xxxxxxxxxxxxxx> > --- > drivers/mmc/host/sdhci-msm.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/drivers/mmc/host/sdhci-msm.c b/drivers/mmc/host/sdhci-msm.c > index 9c7927b..f20e424 100644 > --- a/drivers/mmc/host/sdhci-msm.c > +++ b/drivers/mmc/host/sdhci-msm.c > @@ -2235,6 +2235,8 @@ static int sdhci_msm_probe(struct platform_device *pdev) > * the data associated with the version info. > */ > var_info = of_device_get_match_data(&pdev->dev); > + if (!var_info) Shouldn't you set ret to -ENODEV here? > + goto pltfm_free; > > msm_host->mci_removed = var_info->mci_removed; > msm_host->restore_dll_config = var_info->restore_dll_config; >