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Subject[PATCH] i2c: tegra: fix a possible NULL dereference
Date
of_match_device could return NULL, and so cause a NULL pointer
dereference later at line 809:
i2c_dev->hw = match->data;

Signed-off-by: LABBE Corentin <clabbe.montjoie@gmail.com>
---
drivers/i2c/busses/i2c-tegra.c | 3 +++
1 file changed, 3 insertions(+)

diff --git a/drivers/i2c/busses/i2c-tegra.c b/drivers/i2c/busses/i2c-tegra.c
index a0522fc..c803551 100644
--- a/drivers/i2c/busses/i2c-tegra.c
+++ b/drivers/i2c/busses/i2c-tegra.c
@@ -806,7 +806,10 @@ static int tegra_i2c_probe(struct platform_device *pdev)

if (pdev->dev.of_node) {
const struct of_device_id *match;
+
match = of_match_device(tegra_i2c_of_match, &pdev->dev);
+ if (!match)
+ return -ENODEV;
i2c_dev->hw = match->data;
i2c_dev->is_dvc = of_device_is_compatible(pdev->dev.of_node,
"nvidia,tegra20-i2c-dvc");
--
2.4.10


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