fbdev/core: Avoid uninitialized read in aperture_remove_conflicting_pci_device()
authorMichał Mirosław <mirq-linux@rere.qmqm.pl>
Thu, 27 Oct 2022 00:06:16 +0000 (02:06 +0200)
committerThomas Zimmermann <tzimmermann@suse.de>
Thu, 27 Oct 2022 07:20:05 +0000 (09:20 +0200)
Return on error directly from the BAR-iterating loop instead of
break+return.

This is actually a cosmetic fix, since it would be highly unusual to
have this called for a PCI device without any memory BARs.

Fixes: 9d69ef183815 ("fbdev/core: Remove remove_conflicting_pci_framebuffers()")
Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/e75323732bedc46d613d72ecb40f97e3bc75eea8.1666829073.git.mirq-linux@rere.qmqm.pl
drivers/video/aperture.c

index 9e6bcc03a1a4a51121f49cca5c894d7dfc772bb0..41e77de1ea82c101a03af5ad9503fc742bce60fa 100644 (file)
@@ -340,12 +340,9 @@ int aperture_remove_conflicting_pci_devices(struct pci_dev *pdev, const char *na
                size = pci_resource_len(pdev, bar);
                ret = aperture_remove_conflicting_devices(base, size, primary, name);
                if (ret)
-                       break;
+                       return ret;
        }
 
-       if (ret)
-               return ret;
-
        /*
         * WARNING: Apparently we must kick fbdev drivers before vgacon,
         * otherwise the vga fbdev driver falls over.