pci_release_regions() should be called in these error branches, so
I set ret and use goto err_release_regions intead of simply return
-EINVAL.
Fixes: cacade1946a4 ("sample: vfio mdev display - guest driver")
Reported-by: Hulk Robot <hulkci@xxxxxxxxxx>
Signed-off-by: Qinglang Miao <miaoqinglang@xxxxxxxxxx>
---
samples/vfio-mdev/mdpy-fb.c | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)
diff --git a/samples/vfio-mdev/mdpy-fb.c b/samples/vfio-mdev/mdpy-fb.c
index 21dbf63d6..c944a6697 100644
--- a/samples/vfio-mdev/mdpy-fb.c
+++ b/samples/vfio-mdev/mdpy-fb.c
@@ -117,15 +117,18 @@ static int mdpy_fb_probe(struct pci_dev *pdev,
if (format != DRM_FORMAT_XRGB8888) {
pci_err(pdev, "format mismatch (0x%x != 0x%x)\n",
format, DRM_FORMAT_XRGB8888);
- return -EINVAL;
+ ret = -EINVAL;
+ goto err_release_regions;
}
if (width < 100 || width > 10000) {
pci_err(pdev, "width (%d) out of range\n", width);
- return -EINVAL;
+ ret = -EINVAL;
+ goto err_release_regions;
}
if (height < 100 || height > 10000) {
pci_err(pdev, "height (%d) out of range\n", height);
- return -EINVAL;
+ ret = -EINVAL;
+ goto err_release_regions;
}
pci_info(pdev, "mdpy found: %dx%d framebuffer\n",
width, height);
--
2.23.0
