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| author | Arvind Yadav <arvind.yadav.cs@gmail.com> | 2017-11-17 16:06:06 +0530 |
|---|---|---|
| committer | Benjamin Gaignard <benjamin.gaignard@linaro.org> | 2017-11-21 09:41:49 +0100 |
| commit | c83ecfa5851f4d35be88f32dabb3a53f51cf5c32 (patch) | |
| tree | 19a7acd245d18fe9439b71d7e653d02810ff500a /drivers/gpu/drm/sti/sti_hdmi.c | |
| parent | cb20dd170d6a7d41e0f347998771b0e0db183438 (diff) | |
| download | linux-c83ecfa5851f4d35be88f32dabb3a53f51cf5c32.tar.bz2 | |
drm/sti: Handle return value of platform_get_irq_byname
platform_get_irq_byname() can fail here and we must check its return
value.
Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/f4b4f1b2cfa5e302ef7ffad4e3efb0d3147709d3.1510914877.git.arvind.yadav.cs@gmail.com
Diffstat (limited to 'drivers/gpu/drm/sti/sti_hdmi.c')
| -rw-r--r-- | drivers/gpu/drm/sti/sti_hdmi.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/sti/sti_hdmi.c b/drivers/gpu/drm/sti/sti_hdmi.c index d1902750a85d..1c7423f4d423 100644 --- a/drivers/gpu/drm/sti/sti_hdmi.c +++ b/drivers/gpu/drm/sti/sti_hdmi.c @@ -1413,6 +1413,11 @@ static int sti_hdmi_probe(struct platform_device *pdev) init_waitqueue_head(&hdmi->wait_event); hdmi->irq = platform_get_irq_byname(pdev, "irq"); + if (hdmi->irq < 0) { + DRM_ERROR("Cannot get HDMI irq\n"); + ret = hdmi->irq; + goto release_adapter; + } ret = devm_request_threaded_irq(dev, hdmi->irq, hdmi_irq, hdmi_irq_thread, IRQF_ONESHOT, dev_name(dev), hdmi); |