lkml.org 
[lkml]   [2020]   [Jun]   [14]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH] drm/amd/display: fix ref count leak in amdgpu_drm_ioctl
Date
in amdgpu_drm_ioctl the call to pm_runtime_get_sync increments the
counter even in case of failure, leading to incorrect
ref count. In case of failure, decrement the ref count before returning.

Signed-off-by: Navid Emamdoost <navid.emamdoost@gmail.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
index 126e74758a34..d73924e35a57 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
@@ -1373,11 +1373,12 @@ long amdgpu_drm_ioctl(struct file *filp,
dev = file_priv->minor->dev;
ret = pm_runtime_get_sync(dev->dev);
if (ret < 0)
- return ret;
+ goto out;

ret = drm_ioctl(filp, cmd, arg);

pm_runtime_mark_last_busy(dev->dev);
+out:
pm_runtime_put_autosuspend(dev->dev);
return ret;
}
--
2.17.1
\
 
 \ /
  Last update: 2020-06-14 09:15    [W:0.096 / U:0.124 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site