From: Sai Krishna Potthuri <lakshmi.sai.krishna.potthuri@xilinx.com>
To: Ulf Hansson <ulf.hansson@linaro.org>,
Michal Simek <michal.simek@xilinx.com>,
Adrian Hunter <adrian.hunter@intel.com>
Cc: <linux-kernel@vger.kernel.org>, <linux-mmc@vger.kernel.org>,
<linux-arm-kernel@lists.infradead.org>, <git@xilinx.com>,
<saikrishna12468@gmail.com>, <sgoud@xilinx.com>,
Sai Krishna Potthuri <lakshmi.sai.krishna.potthuri@xilinx.com>
Subject: [PATCH] mmc: sdhci-of-arasan: Add NULL check for data field
Date: Thu, 12 May 2022 12:49:53 +0530 [thread overview]
Message-ID: <1652339993-27280-1-git-send-email-lakshmi.sai.krishna.potthuri@xilinx.com> (raw)
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
next reply other threads:[~2022-05-12 7:20 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-05-12 7:19 Sai Krishna Potthuri [this message]
2022-05-12 11:47 ` Adrian Hunter
2022-05-16 13:55 ` Ulf Hansson
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