Messages in this thread Patch in this message | | | Date | Tue, 24 Apr 2012 15:33:20 -0700 | From | Greg KH <> | Subject | [ 27/42] ext4: fix endianness breakage in ext4_split_extent_at() |
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3.0-stable review patch. If anyone has any objections, please let me know.
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From: Al Viro <viro@zeniv.linux.org.uk>
commit af1584f570b19b0285e4402a0b54731495d31784 upstream.
->ee_len is __le16, so assigning cpu_to_le32() to it is going to do Bad Things(tm) on big-endian hosts...
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Cc: Ted Ts'o <tytso@mit.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- fs/ext4/extents.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/fs/ext4/extents.c +++ b/fs/ext4/extents.c @@ -2846,7 +2846,7 @@ static int ext4_split_extent_at(handle_t if (err) goto fix_extent_len; /* update the extent length and mark as initialized */ - ex->ee_len = cpu_to_le32(ee_len); + ex->ee_len = cpu_to_le16(ee_len); ext4_ext_try_to_merge(inode, path, ex); err = ext4_ext_dirty(handle, inode, path + depth); goto out;
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