diff options
| author | Sachin Kamat <sachin.kamat@linaro.org> | 2013-08-02 04:58:25 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <m.chehab@samsung.com> | 2013-08-18 09:25:00 -0300 |
| commit | 6a40cbbe471bc7b821458973a5c18ba3d97d72f4 (patch) | |
| tree | f03b1cc8669212673b304819e3cb2307235dcff7 | |
| parent | 3dbc9964b926c4ab4340df902efdb40bfe769811 (diff) | |
[media] exynos4-is: Fix potential NULL pointer dereference
dev->of_node could be NULL. Hence check for the same and return before
dereferencing it in the subsequent error message.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
| -rw-r--r-- | drivers/media/platform/exynos4-is/fimc-lite.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/drivers/media/platform/exynos4-is/fimc-lite.c b/drivers/media/platform/exynos4-is/fimc-lite.c index 08fbfedea90f..318d4c3e3b61 100644 --- a/drivers/media/platform/exynos4-is/fimc-lite.c +++ b/drivers/media/platform/exynos4-is/fimc-lite.c @@ -1504,16 +1504,17 @@ static int fimc_lite_probe(struct platform_device *pdev) struct resource *res; int ret; + if (!dev->of_node) + return -ENODEV; + fimc = devm_kzalloc(dev, sizeof(*fimc), GFP_KERNEL); if (!fimc) return -ENOMEM; - if (dev->of_node) { - of_id = of_match_node(flite_of_match, dev->of_node); - if (of_id) - drv_data = (struct flite_drvdata *)of_id->data; - fimc->index = of_alias_get_id(dev->of_node, "fimc-lite"); - } + of_id = of_match_node(flite_of_match, dev->of_node); + if (of_id) + drv_data = (struct flite_drvdata *)of_id->data; + fimc->index = of_alias_get_id(dev->of_node, "fimc-lite"); if (!drv_data || fimc->index >= drv_data->num_instances || fimc->index < 0) { |