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2023-12-08 01573e231f18eb2d99162747186f59511f56b64d

 kernel/kernel/gcov/fs.c
..
..
@@ -58,13 +58,12 @@
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 	struct dentry *dentry;
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 	struct dentry **links;
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 	int num_loaded;
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-	char name[0];
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+	char name[];
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 };
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 static const char objtree[] = OBJTREE;
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 static const char srctree[] = SRCTREE;
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 static struct gcov_node root_node;
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-static struct dentry *reset_dentry;
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 static LIST_HEAD(all_head);
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 static DEFINE_MUTEX(node_lock);
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..
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@@ -387,8 +386,6 @@
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 			goto out_err;
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 		node->links[i] = debugfs_create_symlink(deskew(basename),
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 							parent,	target);
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-		if (!node->links[i])
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-			goto out_err;
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 		kfree(target);
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 	}
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..
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@@ -450,11 +447,6 @@
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 					parent->dentry, node, &gcov_data_fops);
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 	} else
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 		node->dentry = debugfs_create_dir(node->name, parent->dentry);
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-	if (!node->dentry) {
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-		pr_warn("could not create file\n");
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-		kfree(node);
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-		return NULL;
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-	}
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 	if (info)
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 		add_links(node, parent->dentry);
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 	list_add(&node->list, &parent->children);
..
..
@@ -761,32 +753,20 @@
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 /* Create debugfs entries. */
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 static __init int gcov_fs_init(void)
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 {
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-	int rc = -EIO;
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-
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 	init_node(&root_node, NULL, NULL, NULL);
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 	/*
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 	 * /sys/kernel/debug/gcov will be parent for the reset control file
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 	 * and all profiling files.
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 	 */
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 	root_node.dentry = debugfs_create_dir("gcov", NULL);
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-	if (!root_node.dentry)
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-		goto err_remove;
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 	/*
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 	 * Create reset file which resets all profiling counts when written
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 	 * to.
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 	 */
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-	reset_dentry = debugfs_create_file("reset", 0600, root_node.dentry,
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-					   NULL, &gcov_reset_fops);
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-	if (!reset_dentry)
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-		goto err_remove;
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+	debugfs_create_file("reset", 0600, root_node.dentry, NULL,
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+			    &gcov_reset_fops);
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 	/* Replay previous events to get our fs hierarchy up-to-date. */
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 	gcov_enable_events();
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 	return 0;
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-
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-err_remove:
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-	pr_err("init failed\n");
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-	debugfs_remove(root_node.dentry);
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-
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-	return rc;
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 }
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 device_initcall(gcov_fs_init);