Re: [PATCH v2 2/2] drm/rockchip: fix error check when getting irq

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On 2015年04月20日 07:00, Heiko Stübner wrote:
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 <dcb314@xxxxxxxxxxx>
Signed-off-by: Heiko Stuebner <heiko@xxxxxxxxx>
Reviewed-By: Daniel Kurtz <djkurtz@xxxxxxxxxxxx>
---
changed since v1:
- instead of making irq in struct vop signed use a
   separate local irq int in vop_bind as suggested 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 ccb0ce0..0e539d8 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);
Thanks for fix, I have sent the Pull request.:-)

--
Mark

_______________________________________________
dri-devel mailing list
dri-devel@xxxxxxxxxxxxxxxxxxxxx
http://lists.freedesktop.org/mailman/listinfo/dri-devel





[Index of Archives]     [Linux DRI Users]     [Linux Intel Graphics]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [XFree86]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Linux Kernel]     [Linux SCSI]     [XFree86]
  Powered by Linux