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drm/msm/dp: Fix platform_get_irq() check

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The platform_get_irq() function returns negative error codes.  It never
returns zero.  Fix the check accordingly.

Fixes: 82c2a57512 ("drm/msm/dp: tie dp_display_irq_handler() with dp driver")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/570755/
Link: https://lore.kernel.org/r/c12bb69b-d676-4345-9712-48aab48f2b48@moroto.mountain
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
This commit is contained in:
Dan Carpenter 2023-12-06 15:02:05 +03:00 committed by Dmitry Baryshkov
parent 1b2d98bdd7
commit c4ac0c6c96
1 changed files with 2 additions and 2 deletions
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4
drivers/gpu/drm/msm/dp/dp_display.c
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@ -1168,9 +1168,9 @@ static int dp_display_request_irq(struct dp_display_private *dp)
struct platform_device *pdev = dp->dp_display.pdev;
dp->irq = platform_get_irq(pdev, 0);
if (!dp->irq) {
if (dp->irq < 0) {
DRM_ERROR("failed to get irq\n");
return -EINVAL;
return dp->irq;
}
rc = devm_request_irq(&pdev->dev, dp->irq, dp_display_irq_handler,