From 001f2cdb952a9566c77fb4b5470cc361db5601bb Mon Sep 17 00:00:00 2001
From: Xiongfeng Wang <wangxiongfeng2@huawei.com>
Date: Mon, 14 Nov 2022 16:56:54 +0800
Subject: [PATCH] fbdev: vermilion: decrease reference count in error path
Git-commit: 001f2cdb952a9566c77fb4b5470cc361db5601bb
Patch-mainline: v6.2-rc1
References: git-fixes
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>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
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 1465fb7b619e..0374ee6b6d03 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;
}
--
2.35.3