Commit 3ea68922 authored by Heiko Stuebner's avatar Heiko Stuebner Committed by Mark Yao

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: default avatarDavid Binderman <dcb314@hotmail.com>
Signed-off-by: default avatarHeiko Stuebner <heiko@sntech.de>
Reviewed-By: default avatarDaniel Kurtz <djkurtz@chromium.org>
parent 625e0346
......@@ -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);
......
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