| Message ID | 20221114085654.179249-1-wangxiongfeng2@huawei.com |
|---|---|
| State | New |
| Headers | show |
| Series | video: fbdev: vermilion: decrease reference count in error path | expand |
On 11/14/22 09:56, Xiongfeng Wang wrote: > pci_get_device() will increase the reference count for the returned > pci_dev. For the error path, we need to use pci_dev_put() to decrease > the reference count. > > Fixes: dbe7e429fedb ("vmlfb: framebuffer driver for Intel Vermilion Range") > Signed-off-by: Xiongfeng Wang <wangxiongfeng2@huawei.com> applied. Thanks! Helge > --- > drivers/video/fbdev/vermilion/vermilion.c | 4 +++- > 1 file changed, 3 insertions(+), 1 deletion(-) > > diff --git a/drivers/video/fbdev/vermilion/vermilion.c b/drivers/video/fbdev/vermilion/vermilion.c > index 82b36dbb5b1a..33051e3a2561 100644 > --- a/drivers/video/fbdev/vermilion/vermilion.c > +++ b/drivers/video/fbdev/vermilion/vermilion.c > @@ -278,8 +278,10 @@ static int vmlfb_get_gpu(struct vml_par *par) > > mutex_unlock(&vml_mutex); > > - if (pci_enable_device(par->gpu) < 0) > + if (pci_enable_device(par->gpu) < 0) { > + pci_dev_put(par->gpu); > return -ENODEV; > + } > > return 0; > }
diff --git a/drivers/video/fbdev/vermilion/vermilion.c b/drivers/video/fbdev/vermilion/vermilion.c index 82b36dbb5b1a..33051e3a2561 100644 --- a/drivers/video/fbdev/vermilion/vermilion.c +++ b/drivers/video/fbdev/vermilion/vermilion.c @@ -278,8 +278,10 @@ static int vmlfb_get_gpu(struct vml_par *par) mutex_unlock(&vml_mutex); - if (pci_enable_device(par->gpu) < 0) + if (pci_enable_device(par->gpu) < 0) { + pci_dev_put(par->gpu); return -ENODEV; + } return 0; }
pci_get_device() will increase the reference count for the returned pci_dev. For the error path, we need to use pci_dev_put() to decrease the reference count. Fixes: dbe7e429fedb ("vmlfb: framebuffer driver for Intel Vermilion Range") Signed-off-by: Xiongfeng Wang <wangxiongfeng2@huawei.com> --- drivers/video/fbdev/vermilion/vermilion.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)