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mmc: sdhci-of-arasan: Add NULL check for data field

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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>
Link: https://lore.kernel.org/r/1652339993-27280-1-git-send-email-lakshmi.sai.krishna.potthuri@xilinx.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
Sai Krishna Potthuri 2022-05-12 12:49:53 +05:30 committed by Ulf Hansson
parent f7b6fc3273
commit ded2c4c345
1 changed files with 3 additions and 0 deletions
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3
drivers/mmc/host/sdhci-of-arasan.c
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@ -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))