From: Xiongfeng Wang wangxiongfeng2@huawei.com
[ Upstream commit 001f2cdb952a9566c77fb4b5470cc361db5601bb ]
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 Signed-off-by: Helge Deller deller@gmx.de Signed-off-by: Sasha Levin sashal@kernel.org --- 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 5172fa581147..be5e43be528a 100644 --- a/drivers/video/fbdev/vermilion/vermilion.c +++ b/drivers/video/fbdev/vermilion/vermilion.c @@ -291,8 +291,10 @@ 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; }