Messages in this thread Patch in this message | | | From | Andrzej Hajda <> | Subject | [PATCH 04/19] v4l: omap3isp: fix handling platform_get_irq result | Date | Thu, 24 Sep 2015 16:00:12 +0200 |
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The function can return negative value.
The problem has been detected using proposed semantic patch scripts/coccinelle/tests/assign_signed_to_unsigned.cocci [1].
[1]: http://permalink.gmane.org/gmane.linux.kernel/2046107
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com> --- Hi,
To avoid problems with too many mail recipients I have sent whole patchset only to LKML. Anyway patches have no dependencies.
Regards Andrzej --- drivers/media/platform/omap3isp/isp.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/media/platform/omap3isp/isp.c b/drivers/media/platform/omap3isp/isp.c index 56e683b..df9d2c2 100644 --- a/drivers/media/platform/omap3isp/isp.c +++ b/drivers/media/platform/omap3isp/isp.c @@ -2442,12 +2442,13 @@ static int isp_probe(struct platform_device *pdev) } /* Interrupt */ - isp->irq_num = platform_get_irq(pdev, 0); - if (isp->irq_num <= 0) { + ret = platform_get_irq(pdev, 0); + if (ret <= 0) { dev_err(isp->dev, "No IRQ resource\n"); ret = -ENODEV; goto error_iommu; } + isp->irq_num = ret; if (devm_request_irq(isp->dev, isp->irq_num, isp_isr, IRQF_SHARED, "OMAP3 ISP", isp)) { -- 1.9.1
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