2014-11-14 22:09:56

by Dmitry Torokhov

[permalink] [raw]
Subject: [PATCH] [media] exynos4-is: fix error handling of irq_of_parse_and_map

Return value of irq_of_parse_and_map() is unsigned int, with 0
indicating failure, so testing for negative result never works.

Signed-off-by: Dmitry Torokhov <[email protected]>
---

Not tested, found by casual code inspection.

drivers/media/platform/exynos4-is/fimc-is.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/media/platform/exynos4-is/fimc-is.c b/drivers/media/platform/exynos4-is/fimc-is.c
index 94c6b47..0fdca86 100644
--- a/drivers/media/platform/exynos4-is/fimc-is.c
+++ b/drivers/media/platform/exynos4-is/fimc-is.c
@@ -814,9 +814,9 @@ static int fimc_is_probe(struct platform_device *pdev)
return -ENOMEM;

is->irq = irq_of_parse_and_map(dev->of_node, 0);
- if (is->irq < 0) {
+ if (!is->irq) {
dev_err(dev, "no irq found\n");
- return is->irq;
+ return -EINVAL;
}

ret = fimc_is_get_clocks(is);
--
2.1.0.rc2.206.gedb03e5


--
Dmitry