| Message ID | 1375425134-17080-3-git-send-email-sachin.kamat@linaro.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
Hi Sachin, On 08/02/2013 08:32 AM, Sachin Kamat wrote: > 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> > --- > drivers/media/platform/exynos4-is/fimc-lite.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/drivers/media/platform/exynos4-is/fimc-lite.c b/drivers/media/platform/exynos4-is/fimc-lite.c > index 08fbfed..214bde2 100644 > --- a/drivers/media/platform/exynos4-is/fimc-lite.c > +++ b/drivers/media/platform/exynos4-is/fimc-lite.c > @@ -1513,6 +1513,9 @@ static int fimc_lite_probe(struct platform_device *pdev) > if (of_id) > drv_data = (struct flite_drvdata *)of_id->data; > fimc->index = of_alias_get_id(dev->of_node, "fimc-lite"); > + } else { > + dev_err(dev, "device node not found\n"); > + return -EINVAL; > } Thanks for the patch. I would prefer to add a check at very beginning of fimc_lite_probe() like: if (!dev->of_node) return -ENODEV; Those devices are only used on DT platforms. -- Regards, Sylwester -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Hi Sylwester, On 2 August 2013 14:15, Sylwester Nawrocki <s.nawrocki@samsung.com> wrote: > Hi Sachin, > > On 08/02/2013 08:32 AM, Sachin Kamat wrote: >> 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> >> --- >> drivers/media/platform/exynos4-is/fimc-lite.c | 3 +++ >> 1 file changed, 3 insertions(+) >> >> diff --git a/drivers/media/platform/exynos4-is/fimc-lite.c b/drivers/media/platform/exynos4-is/fimc-lite.c >> index 08fbfed..214bde2 100644 >> --- a/drivers/media/platform/exynos4-is/fimc-lite.c >> +++ b/drivers/media/platform/exynos4-is/fimc-lite.c >> @@ -1513,6 +1513,9 @@ static int fimc_lite_probe(struct platform_device *pdev) >> if (of_id) >> drv_data = (struct flite_drvdata *)of_id->data; >> fimc->index = of_alias_get_id(dev->of_node, "fimc-lite"); >> + } else { >> + dev_err(dev, "device node not found\n"); >> + return -EINVAL; >> } > > Thanks for the patch. I would prefer to add a check at very beginning > of fimc_lite_probe() like: > > if (!dev->of_node) > return -ENODEV; > > Those devices are only used on DT platforms. OK. Sounds good. I will re-spin this one.
diff --git a/drivers/media/platform/exynos4-is/fimc-lite.c b/drivers/media/platform/exynos4-is/fimc-lite.c index 08fbfed..214bde2 100644 --- a/drivers/media/platform/exynos4-is/fimc-lite.c +++ b/drivers/media/platform/exynos4-is/fimc-lite.c @@ -1513,6 +1513,9 @@ static int fimc_lite_probe(struct platform_device *pdev) if (of_id) drv_data = (struct flite_drvdata *)of_id->data; fimc->index = of_alias_get_id(dev->of_node, "fimc-lite"); + } else { + dev_err(dev, "device node not found\n"); + return -EINVAL; } if (!drv_data || fimc->index >= drv_data->num_instances ||
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> --- drivers/media/platform/exynos4-is/fimc-lite.c | 3 +++ 1 file changed, 3 insertions(+)