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authorDan Carpenter <dan.carpenter@oracle.com>2021-01-25 11:45:37 +0300
committerZack Rusin <zackr@vmware.com>2021-01-28 11:08:20 -0500
commitf3ebd4e6b692ab7af464561410a1f05dfc850823 (patch)
tree603753b794ef84785c3b16ef361102cdaa498e74 /drivers/gpu/drm/vmwgfx
parentdt-binding: display: bcm2711-hdmi: Add CEC and hotplug interrupts (diff)
downloadlinux-dev-f3ebd4e6b692ab7af464561410a1f05dfc850823.tar.xz
linux-dev-f3ebd4e6b692ab7af464561410a1f05dfc850823.zip
drm/vmwgfx/vmwgfx_drv: Fix an error path in vmw_setup_pci_resources()
The devm_memremap() function never returns NULL, it returns error pointers so the test needs to be fixed. Also we need to call pci_release_regions() to avoid a memory leak. Fixes: be4f77ac6884 ("drm/vmwgfx: Cleanup fifo mmio handling") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Zack Rusin <zackr@vmware.com> Link: https://patchwork.freedesktop.org/patch/msgid/YA6FMboLhnE3uSvb@mwanda
Diffstat (limited to 'drivers/gpu/drm/vmwgfx')
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_drv.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
index b454d80c273e..22f5a9f8a44b 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
@@ -668,9 +668,10 @@ static int vmw_setup_pci_resources(struct vmw_private *dev,
fifo_size,
MEMREMAP_WB);
- if (unlikely(dev->fifo_mem == NULL)) {
+ if (IS_ERR(dev->fifo_mem)) {
DRM_ERROR("Failed mapping FIFO memory.\n");
- return -ENOMEM;
+ pci_release_regions(pdev);
+ return PTR_ERR(dev->fifo_mem);
}
/*