From: Sai Krishna Potthuri Date: Thu, 12 May 2022 07:19:53 +0000 (+0530) Subject: mmc: sdhci-of-arasan: Add NULL check for data field X-Git-Tag: v5.19-rc1~188^2 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=ded2c4c345001a129293db4bc1fa9ae236ceb0d9;p=thirdparty%2Fkernel%2Flinux.git mmc: sdhci-of-arasan: Add NULL check for data field 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 Acked-by: Adrian Hunter Link: https://lore.kernel.org/r/1652339993-27280-1-git-send-email-lakshmi.sai.krishna.potthuri@xilinx.com Signed-off-by: Ulf Hansson --- diff --git a/drivers/mmc/host/sdhci-of-arasan.c b/drivers/mmc/host/sdhci-of-arasan.c index 6a2e5a4684246..757801dfc3086 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))