diff options
author | Qiheng Lin <linqiheng@huawei.com> | 2021-05-14 16:28:12 +0800 |
---|---|---|
committer | Zack Rusin <zackr@vmware.com> | 2021-05-14 14:39:14 -0400 |
commit | 527a9471878e619add51825640a76d9777218445 (patch) | |
tree | 8dd5c2ada64f364424ccc0418cd035a4f23e145e /drivers/gpu/drm/vmwgfx | |
parent | 2f70cbf79e3ffa65ab2faeec9ba7e6e587e6cad9 (diff) | |
download | linux-stable-527a9471878e619add51825640a76d9777218445.tar.gz linux-stable-527a9471878e619add51825640a76d9777218445.tar.bz2 linux-stable-527a9471878e619add51825640a76d9777218445.zip |
drm/vmwgfx: Fix return value check in vmw_setup_pci_resources()
In case of error, the function devm_ioremap() returns NULL pointer not ERR_PTR().
The IS_ERR() test in the return value check should be replaced with NULL test.
After that, the error code -ENOMEM should be returned.
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Qiheng Lin <linqiheng@huawei.com>
Signed-off-by: Zack Rusin <zackr@vmware.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210514082812.1697-1-linqiheng@huawei.com
Diffstat (limited to 'drivers/gpu/drm/vmwgfx')
-rw-r--r-- | drivers/gpu/drm/vmwgfx/vmwgfx_drv.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c index 5cf3a5bf539f..6f5ea00973e0 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c @@ -719,10 +719,10 @@ static int vmw_setup_pci_resources(struct vmw_private *dev, dev->rmmio = devm_ioremap(dev->drm.dev, rmmio_start, rmmio_size); - if (IS_ERR(dev->rmmio)) { + if (!dev->rmmio) { DRM_ERROR("Failed mapping registers mmio memory.\n"); pci_release_regions(pdev); - return PTR_ERR(dev->rmmio); + return -ENOMEM; } } else if (pci_id == VMWGFX_PCI_ID_SVGA2) { dev->io_start = pci_resource_start(pdev, 0); |