ext4: check error return from ext4_write_inline_data_end()



The function ext4_write_inline_data_end() can return an error.  So we
need to assign it to a signed integer variable to check for an error
return (since copied is an unsigned int).

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Cc: Zheng Liu <wenqing.lz@taobao.com>
Cc: stable@vger.kernel.org

parent 353eefd3

fs/ext4/inode.c

+7 −4

Original line number	Diff line number	Diff line
		@@ -1061,10 +1061,13 @@ static int ext4_write_end(struct file *file,
		}
		}

		if (ext4_has_inline_data(inode))
		copied = ext4_write_inline_data_end(inode, pos, len,
		if (ext4_has_inline_data(inode)) {
		ret = ext4_write_inline_data_end(inode, pos, len,
		copied, page);
		else
		if (ret < 0)
		goto errout;
		copied = ret;
		} else
		copied = block_write_end(file, mapping, pos,
		len, copied, page, fsdata);