proc: remove a level of indentation in proc_get_inode

Just return early on inode allocation failure.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

fs/proc/inode.c

@@ -619,15 +619,19 @@ struct inode *proc_get_inode(struct super_block *sb, struct proc_dir_entry *de)
 {
 	struct inode *inode = new_inode(sb);
 
-	if (inode) {
+	if (!inode) {
+		pde_put(de);
+		return NULL;
+	}
+
 	inode->i_ino = de->low_ino;
 	inode->i_mtime = inode->i_atime = inode->i_ctime = current_time(inode);
 	PROC_I(inode)->pde = de;
-
 	if (is_empty_pde(de)) {
 		make_empty_dir_inode(inode);
 		return inode;
 	}
+
 	if (de->mode) {
 		inode->i_mode = de->mode;
 		inode->i_uid = de->uid;
@@ -642,9 +646,8 @@ struct inode *proc_get_inode(struct super_block *sb, struct proc_dir_entry *de)
 		inode->i_op = de->proc_iops;
 		inode->i_fop = &proc_reg_file_ops;
 #ifdef CONFIG_COMPAT
-			if (!de->proc_ops->proc_compat_ioctl) {
+		if (!de->proc_ops->proc_compat_ioctl)
 			inode->i_fop = &proc_reg_file_ops_no_compat;
-			}
 #endif
 	} else if (S_ISDIR(inode->i_mode)) {
 		inode->i_op = de->proc_iops;
@@ -652,9 +655,8 @@ struct inode *proc_get_inode(struct super_block *sb, struct proc_dir_entry *de)
 	} else if (S_ISLNK(inode->i_mode)) {
 		inode->i_op = de->proc_iops;
 		inode->i_fop = NULL;
-		} else
+	} else {
 		BUG();
-	} else
-	       pde_put(de);
+	}
 	return inode;
 }