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authorLinus Torvalds <torvalds@linux-foundation.org>2013-04-03 11:21:13 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2013-04-03 11:21:13 -0700
commitcbfa0e7204159515e63321142bcc2d6dcb854045 (patch)
treef493d46fa3c9d5777c8632db490d3ffb84dd7e3e /fs
parentcd0e4a9dd432b2f0209d84b5b2420695c1fd3eb7 (diff)
parent8cde7ad17e4f4ff8d12ff60dd09c0a291cb0b61c (diff)
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Merge tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
Pull ext4 fixes from Ted Ts'o: "Unfortunately, we introduced some big-endian bugs during the last merge window. Fortunately, Cai and Christian noticed before 3.9 shipped." * tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: ext4: fix big-endian bugs which could cause fs corruptions
Diffstat (limited to 'fs')
-rw-r--r--fs/ext4/extents.c11
-rw-r--r--fs/ext4/indirect.c4
2 files changed, 9 insertions, 6 deletions
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index 56efcaadf848..9c6d06dcef8b 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -2999,20 +2999,23 @@ static int ext4_split_extent_at(handle_t *handle,
if (split_flag & EXT4_EXT_DATA_VALID1) {
err = ext4_ext_zeroout(inode, ex2);
zero_ex.ee_block = ex2->ee_block;
- zero_ex.ee_len = ext4_ext_get_actual_len(ex2);
+ zero_ex.ee_len = cpu_to_le16(
+ ext4_ext_get_actual_len(ex2));
ext4_ext_store_pblock(&zero_ex,
ext4_ext_pblock(ex2));
} else {
err = ext4_ext_zeroout(inode, ex);
zero_ex.ee_block = ex->ee_block;
- zero_ex.ee_len = ext4_ext_get_actual_len(ex);
+ zero_ex.ee_len = cpu_to_le16(
+ ext4_ext_get_actual_len(ex));
ext4_ext_store_pblock(&zero_ex,
ext4_ext_pblock(ex));
}
} else {
err = ext4_ext_zeroout(inode, &orig_ex);
zero_ex.ee_block = orig_ex.ee_block;
- zero_ex.ee_len = ext4_ext_get_actual_len(&orig_ex);
+ zero_ex.ee_len = cpu_to_le16(
+ ext4_ext_get_actual_len(&orig_ex));
ext4_ext_store_pblock(&zero_ex,
ext4_ext_pblock(&orig_ex));
}
@@ -3272,7 +3275,7 @@ static int ext4_ext_convert_to_initialized(handle_t *handle,
if (err)
goto out;
zero_ex.ee_block = ex->ee_block;
- zero_ex.ee_len = ext4_ext_get_actual_len(ex);
+ zero_ex.ee_len = cpu_to_le16(ext4_ext_get_actual_len(ex));
ext4_ext_store_pblock(&zero_ex, ext4_ext_pblock(ex));
err = ext4_ext_get_access(handle, inode, path + depth);
diff --git a/fs/ext4/indirect.c b/fs/ext4/indirect.c
index b505a145a593..a04183127ef0 100644
--- a/fs/ext4/indirect.c
+++ b/fs/ext4/indirect.c
@@ -1539,9 +1539,9 @@ static int free_hole_blocks(handle_t *handle, struct inode *inode,
blk = *i_data;
if (level > 0) {
ext4_lblk_t first2;
- bh = sb_bread(inode->i_sb, blk);
+ bh = sb_bread(inode->i_sb, le32_to_cpu(blk));
if (!bh) {
- EXT4_ERROR_INODE_BLOCK(inode, blk,
+ EXT4_ERROR_INODE_BLOCK(inode, le32_to_cpu(blk),
"Read failure");
return -EIO;
}