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| author |  Sai Krishna Potthuri <lakshmi.sai.krishna.potthuri@xilinx.com>
| 2022-05-12 12:49:53 +0530 |
|---|---|---|
| committer |  Ulf Hansson <ulf.hansson@linaro.org>
| 2022-05-16 15:49:31 +0200 |
| commit | ded2c4c345001a129293db4bc1fa9ae236ceb0d9 (patch) | |
| tree | be3584e63c1265e0b307cefa6c44393836d3bbac /drivers/mmc/host | |
| parent | mmc: core: Support zeroout using TRIM for eMMC (diff) | |
| download | linux-ded2c4c345001a129293db4bc1fa9ae236ceb0d9.tar.gz linux-ded2c4c345001a129293db4bc1fa9ae236ceb0d9.tar.bz2 linux-ded2c4c345001a129293db4bc1fa9ae236ceb0d9.zip | |
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 <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>
Diffstat (limited to 'drivers/mmc/host')
| -rw-r--r-- | drivers/mmc/host/sdhci-of-arasan.c | 3 |
1 files changed, 3 insertions, 0 deletions
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)) |