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Subject[PATCH] mmc: sdhci-of-arasan: Add NULL check for data field
Date
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(+)

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
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