add ax88772C AX88772C_eeprom_tools

hc

2024-05-10 61598093bbdd283a7edc367d900f223070ead8d2

 kernel/fs/ext2/ioctl.c
..
..
@@ -60,18 +60,10 @@
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 		}
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 		oldflags = ei->i_flags;
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-		/*
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-		 * The IMMUTABLE and APPEND_ONLY flags can only be changed by
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-		 * the relevant capability.
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-		 *
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-		 * This test looks nicer. Thanks to Pauline Middelink
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-		 */
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-		if ((flags ^ oldflags) & (EXT2_APPEND_FL | EXT2_IMMUTABLE_FL)) {
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-			if (!capable(CAP_LINUX_IMMUTABLE)) {
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-				inode_unlock(inode);
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-				ret = -EPERM;
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-				goto setflags_out;
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-			}
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+		ret = vfs_ioc_setflags_prepare(inode, oldflags, flags);
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+		if (ret) {
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+			inode_unlock(inode);
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+			goto setflags_out;
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 		}
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 		flags = flags & EXT2_FL_USER_MODIFIABLE;
..
..
@@ -153,10 +145,13 @@
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 		if (ei->i_block_alloc_info){
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 			struct ext2_reserve_window_node *rsv = &ei->i_block_alloc_info->rsv_window_node;
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 			rsv->rsv_goal_size = rsv_window_size;
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+		} else {
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+			ret = -ENOMEM;
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 		}
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+
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 		mutex_unlock(&ei->truncate_mutex);
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 		mnt_drop_write_file(filp);
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-		return 0;
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+		return ret;
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 	}
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 	default:
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 		return -ENOTTY;