3.10-stable review patch. If anyone has any objections, please let me know.
------------------
From: Theodore Ts'o <ty...@mit.edu>
commit 42c832debbbf819f6c4ad8601baa559c44105ba4 upstream.
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" <ty...@mit.edu>
Cc: Zheng Liu <wenqing...@taobao.com>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
fs/ext4/inode.c | 11 +++++++----
1 file changed, 7 insertions(+), 4 deletions(-)
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -1118,10 +1118,13 @@ static int ext4_write_end(struct file *f
}
}
- if (ext4_has_inline_data(inode))
- copied = ext4_write_inline_data_end(inode, pos, len,
- copied, page);
- else
+ if (ext4_has_inline_data(inode)) {
+ ret = ext4_write_inline_data_end(inode, pos, len,
+ copied, page);
+ if (ret < 0)
+ goto errout;
+ copied = ret;
+ } else
copied = block_write_end(file, mapping, pos,
len, copied, page, fsdata);
--
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