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| author | Theodore Ts'o <tytso@mit.edu> | 2013-04-10 05:59:55 +0200 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2013-04-10 05:59:55 +0200 |
| commit | d6a771056b32146da1280f7872f6936b0c7770ea (patch) | |
| tree | eba9b67756519315758b51e1021c65ccb1874da5 /fs | |
| parent | ext4: fix big-endian bug in metadata checksum calculations (diff) | |
| download | linux-d6a771056b32146da1280f7872f6936b0c7770ea.tar.xz linux-d6a771056b32146da1280f7872f6936b0c7770ea.zip | |
ext4: fix miscellaneous big endian warnings
None of these result in any bug, but they makes sparse complain.
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/ext4/namei.c | 7 | ||||
| -rw-r--r-- | fs/ext4/super.c | 6 | ||||
| -rw-r--r-- | fs/ext4/xattr.c | 13 |
3 files changed, 14 insertions, 12 deletions
diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c index 3825d6aa8336..45a5ca89797f 100644 --- a/fs/ext4/namei.c +++ b/fs/ext4/namei.c @@ -416,15 +416,16 @@ static __le32 ext4_dx_csum(struct inode *inode, struct ext4_dir_entry *dirent, { struct ext4_sb_info *sbi = EXT4_SB(inode->i_sb); struct ext4_inode_info *ei = EXT4_I(inode); - __u32 csum, old_csum; + __u32 csum; + __le32 save_csum; int size; size = count_offset + (count * sizeof(struct dx_entry)); - old_csum = t->dt_checksum; + save_csum = t->dt_checksum; t->dt_checksum = 0; csum = ext4_chksum(sbi, ei->i_csum_seed, (__u8 *)dirent, size); csum = ext4_chksum(sbi, csum, (__u8 *)t, sizeof(struct dx_tail)); - t->dt_checksum = old_csum; + t->dt_checksum = save_csum; return cpu_to_le32(csum); } diff --git a/fs/ext4/super.c b/fs/ext4/super.c index 6fea87db7daa..f355c28fa080 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -1952,16 +1952,16 @@ static __le16 ext4_group_desc_csum(struct ext4_sb_info *sbi, __u32 block_group, if ((sbi->s_es->s_feature_ro_compat & cpu_to_le32(EXT4_FEATURE_RO_COMPAT_METADATA_CSUM))) { /* Use new metadata_csum algorithm */ - __u16 old_csum; + __le16 save_csum; __u32 csum32; - old_csum = gdp->bg_checksum; + save_csum = gdp->bg_checksum; gdp->bg_checksum = 0; csum32 = ext4_chksum(sbi, sbi->s_csum_seed, (__u8 *)&le_group, sizeof(le_group)); csum32 = ext4_chksum(sbi, csum32, (__u8 *)gdp, sbi->s_desc_size); - gdp->bg_checksum = old_csum; + gdp->bg_checksum = save_csum; crc = csum32 & 0xFFFF; goto out; diff --git a/fs/ext4/xattr.c b/fs/ext4/xattr.c index 3a120b277240..c081e34f717f 100644 --- a/fs/ext4/xattr.c +++ b/fs/ext4/xattr.c @@ -122,17 +122,18 @@ static __le32 ext4_xattr_block_csum(struct inode *inode, struct ext4_xattr_header *hdr) { struct ext4_sb_info *sbi = EXT4_SB(inode->i_sb); - __u32 csum, old; + __u32 csum; + __le32 save_csum; + __le64 dsk_block_nr = cpu_to_le64(block_nr); - old = hdr->h_checksum; + save_csum = hdr->h_checksum; hdr->h_checksum = 0; - block_nr = cpu_to_le64(block_nr); - csum = ext4_chksum(sbi, sbi->s_csum_seed, (__u8 *)&block_nr, - sizeof(block_nr)); + csum = ext4_chksum(sbi, sbi->s_csum_seed, (__u8 *)&dsk_block_nr, + sizeof(dsk_block_nr)); csum = ext4_chksum(sbi, csum, (__u8 *)hdr, EXT4_BLOCK_SIZE(inode->i_sb)); - hdr->h_checksum = old; + hdr->h_checksum = save_csum; return cpu_to_le32(csum); } |