Messages in this thread Patch in this message | | | From | Md Sadre Alam <> | Subject | [PATCH] mmc: sdhci-msm: Fix possible NULL pointer exception | Date | Tue, 22 Dec 2020 14:18:33 +0530 |
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of_device_get_match_data returns NULL when no match. So add the NULL pointer check to avoid dereference.
Signed-off-by: Md Sadre Alam <mdalam@codeaurora.org> --- drivers/mmc/host/sdhci-msm.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/mmc/host/sdhci-msm.c b/drivers/mmc/host/sdhci-msm.c index 9c7927b..f20e424 100644 --- a/drivers/mmc/host/sdhci-msm.c +++ b/drivers/mmc/host/sdhci-msm.c @@ -2235,6 +2235,8 @@ static int sdhci_msm_probe(struct platform_device *pdev) * the data associated with the version info. */ var_info = of_device_get_match_data(&pdev->dev); + if (!var_info) + goto pltfm_free; msm_host->mci_removed = var_info->mci_removed; msm_host->restore_dll_config = var_info->restore_dll_config; -- 2.7.4
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