From bb5112b616080033ab9f09092098527f2aa09b70 Mon Sep 17 00:00:00 2001 From: Dave Airlie Date: Wed, 14 Jul 2004 12:34:55 +0000 Subject: Fix reference counting for stub for new Linux PCI probe --- linux/drm_stub.h | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) (limited to 'linux/drm_stub.h') diff --git a/linux/drm_stub.h b/linux/drm_stub.h index 96fd7275..1426af02 100644 --- a/linux/drm_stub.h +++ b/linux/drm_stub.h @@ -111,6 +111,7 @@ static int DRM(stub_getminor)(const char *name, struct file_operations *fops, DRM(stub_root) = DRM(proc_init)(dev, i, DRM(stub_root), &DRM(stub_list)[i] .dev_root); + *DRM(stub_info).info_count++; return i; } } @@ -134,7 +135,10 @@ static int DRM(stub_putminor)(int minor) DRM(stub_list)[minor].fops = NULL; DRM(proc_cleanup)(minor, DRM(stub_root), DRM(stub_list)[minor].dev_root); - if (minor) { + + *DRM(stub_info).info_count--; + + if ((*DRM(stub_info).info_count)!=0) { inter_module_put("drm"); } else { inter_module_unregister("drm"); @@ -180,8 +184,9 @@ int DRM(stub_register)(const char *name, struct file_operations *fops, DRM(stub_info).info_register = i->info_register; DRM(stub_info).info_unregister = i->info_unregister; DRM(stub_info).drm_class = i->drm_class; + DRM(stub_info).info_count = i->info_count; DRM_DEBUG("already registered\n"); - } else if (DRM(stub_info).drm_class == NULL) { + } else if (*DRM(stub_info).info_count == 0) { DRM(stub_info).drm_class = class_simple_create(THIS_MODULE, "drm"); if (IS_ERR(DRM(stub_info).drm_class)) { printk (KERN_ERR "Error creating drm class.\n"); @@ -221,9 +226,12 @@ int DRM(stub_unregister)(int minor) return -1; } +int DRM(stub_count); + /** Stub information */ struct drm_stub_info DRM(stub_info) = { .info_register = DRM(stub_getminor), .info_unregister = DRM(stub_putminor), .drm_class = NULL, + .info_count = &DRM(stub_count), }; -- cgit v1.2.3