add some more debugging fix ++ and --

diff --git a/linux-core/drm_stub.c b/linux-core/drm_stub.c
index 1a524e5..b278bcb 100644 (file)
--- a/linux-core/drm_stub.c
+++ b/linux-core/drm_stub.c
@@ -111,7 +111,8 @@ 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++;
+                       (*DRM(stub_info).info_count)++;
+                       DRM_DEBUG("info count increased %d\n", *DRM(stub_info).info_count);
                        return i;
                }
        }
@@ -136,11 +137,13 @@ static int DRM(stub_putminor)(int minor)
        DRM(proc_cleanup)(minor, DRM(stub_root),
                          DRM(stub_list)[minor].dev_root);
 
-       *DRM(stub_info).info_count--;
+       (*DRM(stub_info).info_count)--;
 
        if ((*DRM(stub_info).info_count)!=0) {
+                       DRM_DEBUG("inter_module_put called %d\n", *DRM(stub_info).info_count);
                inter_module_put("drm");
        } else {
+               DRM_DEBUG("unregistering inter_module \n");
                inter_module_unregister("drm");
                DRM(free)(DRM(stub_list),
                          sizeof(*DRM(stub_list)) * DRM_STUB_MAXCARDS,
@@ -182,12 +185,12 @@ int DRM(stub_register)(const char *name, struct file_operations *fops,
                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");
+               DRM_DEBUG("already registered %d\n", *i->info_count);
        } else if (*DRM(stub_info).info_count == 0) {
 
                ret1 = register_chrdev(DRM_MAJOR, "drm", &DRM(stub_fops));
                 if (ret1 < 0) {
-                 printk (KERN_ERR, "Error registering drm major number.\n");
+                 printk (KERN_ERR "Error registering drm major number.\n");
                  return ret1;
                }
                
@@ -208,7 +211,9 @@ int DRM(stub_register)(const char *name, struct file_operations *fops,
                                inter_module_unregister("drm");
                                unregister_chrdev(DRM_MAJOR, "drm");
                                class_simple_destroy(DRM(stub_info).drm_class);
+                               DRM_DEBUG("info_register failed deregistered everything\n");
                        }
+                       DRM_DEBUG("info_register failed\n");
                }
                return ret2;
        }

diff --git a/linux/drm_stub.h b/linux/drm_stub.h
index 1a524e5..b278bcb 100644 (file)
--- a/linux/drm_stub.h
+++ b/linux/drm_stub.h
@@ -111,7 +111,8 @@ 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++;
+                       (*DRM(stub_info).info_count)++;
+                       DRM_DEBUG("info count increased %d\n", *DRM(stub_info).info_count);
                        return i;
                }
        }
@@ -136,11 +137,13 @@ static int DRM(stub_putminor)(int minor)
        DRM(proc_cleanup)(minor, DRM(stub_root),
                          DRM(stub_list)[minor].dev_root);
 
-       *DRM(stub_info).info_count--;
+       (*DRM(stub_info).info_count)--;
 
        if ((*DRM(stub_info).info_count)!=0) {
+                       DRM_DEBUG("inter_module_put called %d\n", *DRM(stub_info).info_count);
                inter_module_put("drm");
        } else {
+               DRM_DEBUG("unregistering inter_module \n");
                inter_module_unregister("drm");
                DRM(free)(DRM(stub_list),
                          sizeof(*DRM(stub_list)) * DRM_STUB_MAXCARDS,
@@ -182,12 +185,12 @@ int DRM(stub_register)(const char *name, struct file_operations *fops,
                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");
+               DRM_DEBUG("already registered %d\n", *i->info_count);
        } else if (*DRM(stub_info).info_count == 0) {
 
                ret1 = register_chrdev(DRM_MAJOR, "drm", &DRM(stub_fops));
                 if (ret1 < 0) {
-                 printk (KERN_ERR, "Error registering drm major number.\n");
+                 printk (KERN_ERR "Error registering drm major number.\n");
                  return ret1;
                }
                
@@ -208,7 +211,9 @@ int DRM(stub_register)(const char *name, struct file_operations *fops,
                                inter_module_unregister("drm");
                                unregister_chrdev(DRM_MAJOR, "drm");
                                class_simple_destroy(DRM(stub_info).drm_class);
+                               DRM_DEBUG("info_register failed deregistered everything\n");
                        }
+                       DRM_DEBUG("info_register failed\n");
                }
                return ret2;
        }