From 3ea68922fc4148abc97557df43d4ba9a136b1c8d Mon Sep 17 00:00:00 2001 From: Heiko Stuebner Date: Mon, 20 Apr 2015 01:00:53 +0200 Subject: [PATCH] drm/rockchip: fix error check when getting irq platform_get_irq() can return negative error values and we already test for these. Therefore the variable holding this value should be signed to not loose possible error values. Reported-by: David Binderman Signed-off-by: Heiko Stuebner Reviewed-By: Daniel Kurtz --- drivers/gpu/drm/rockchip/rockchip_drm_vop.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c index ccb0ce073ef2..4557f335a8a5 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c @@ -1409,7 +1409,7 @@ static int vop_bind(struct device *dev, struct device *master, void *data) struct vop *vop; struct resource *res; size_t alloc_size; - int ret; + int ret, irq; of_id = of_match_device(vop_driver_dt_match, dev); vop_data = of_id->data; @@ -1445,11 +1445,12 @@ static int vop_bind(struct device *dev, struct device *master, void *data) return ret; } - vop->irq = platform_get_irq(pdev, 0); - if (vop->irq < 0) { + irq = platform_get_irq(pdev, 0); + if (irq < 0) { dev_err(dev, "cannot find irq for vop\n"); - return vop->irq; + return irq; } + vop->irq = (unsigned int)irq; spin_lock_init(&vop->reg_lock); spin_lock_init(&vop->irq_lock); -- 2.34.1