| Message ID | 1652339993-27280-1-git-send-email-lakshmi.sai.krishna.potthuri@xilinx.com |
|---|---|
| State | New |
| Headers | show |
| Series | mmc: sdhci-of-arasan: Add NULL check for data field | expand |
On 12/05/22 10:19, Sai Krishna Potthuri wrote: > Add NULL check for data field retrieved from of_device_get_match_data() > before dereferencing the data. > Addresses-coverity: CID 305057:Dereference null return value (NULL_RETURNS) > > Signed-off-by: Sai Krishna Potthuri <lakshmi.sai.krishna.potthuri@xilinx.com> Acked-by: Adrian Hunter <adrian.hunter@intel.com> > --- > drivers/mmc/host/sdhci-of-arasan.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/drivers/mmc/host/sdhci-of-arasan.c b/drivers/mmc/host/sdhci-of-arasan.c > index 6a2e5a468424..757801dfc308 100644 > --- a/drivers/mmc/host/sdhci-of-arasan.c > +++ b/drivers/mmc/host/sdhci-of-arasan.c > @@ -1577,6 +1577,9 @@ static int sdhci_arasan_probe(struct platform_device *pdev) > const struct sdhci_arasan_of_data *data; > > data = of_device_get_match_data(dev); > + if (!data) > + return -EINVAL; > + > host = sdhci_pltfm_init(pdev, data->pdata, sizeof(*sdhci_arasan)); > > if (IS_ERR(host))
On Thu, 12 May 2022 at 09:20, Sai Krishna Potthuri <lakshmi.sai.krishna.potthuri@xilinx.com> wrote: > > Add NULL check for data field retrieved from of_device_get_match_data() > before dereferencing the data. > Addresses-coverity: CID 305057:Dereference null return value (NULL_RETURNS) > > Signed-off-by: Sai Krishna Potthuri <lakshmi.sai.krishna.potthuri@xilinx.com> Applied for next, thanks! Kind regards Uffe > --- > drivers/mmc/host/sdhci-of-arasan.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/drivers/mmc/host/sdhci-of-arasan.c b/drivers/mmc/host/sdhci-of-arasan.c > index 6a2e5a468424..757801dfc308 100644 > --- a/drivers/mmc/host/sdhci-of-arasan.c > +++ b/drivers/mmc/host/sdhci-of-arasan.c > @@ -1577,6 +1577,9 @@ static int sdhci_arasan_probe(struct platform_device *pdev) > const struct sdhci_arasan_of_data *data; > > data = of_device_get_match_data(dev); > + if (!data) > + return -EINVAL; > + > host = sdhci_pltfm_init(pdev, data->pdata, sizeof(*sdhci_arasan)); > > if (IS_ERR(host)) > -- > 2.17.1 >
diff --git a/drivers/mmc/host/sdhci-of-arasan.c b/drivers/mmc/host/sdhci-of-arasan.c index 6a2e5a468424..757801dfc308 100644 --- a/drivers/mmc/host/sdhci-of-arasan.c +++ b/drivers/mmc/host/sdhci-of-arasan.c @@ -1577,6 +1577,9 @@ static int sdhci_arasan_probe(struct platform_device *pdev) const struct sdhci_arasan_of_data *data; data = of_device_get_match_data(dev); + if (!data) + return -EINVAL; + host = sdhci_pltfm_init(pdev, data->pdata, sizeof(*sdhci_arasan)); if (IS_ERR(host))
Add NULL check for data field retrieved from of_device_get_match_data() before dereferencing the data. Addresses-coverity: CID 305057:Dereference null return value (NULL_RETURNS) Signed-off-by: Sai Krishna Potthuri <lakshmi.sai.krishna.potthuri@xilinx.com> --- drivers/mmc/host/sdhci-of-arasan.c | 3 +++ 1 file changed, 3 insertions(+)