| Date | Wed, 3 Dec 2008 11:56:38 -0800 | From | Greg KH <> | Subject | [patch 094/104] ext4: Convert to host order before using the values. |
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2.6.27-stable review patch. If anyone has any objections, please let us know.
------------------ From: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
(cherry picked from commit d94e99a64c3beece22dbfb2b335771a59184eb0a)
Use le16_to_cpu to read the s_reserved_gdt_blocks values from super block.
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
--- fs/ext4/super.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-)
--- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -1506,9 +1506,8 @@ static int ext4_fill_flex_info(struct su /* We allocate both existing and potentially added groups */ flex_group_count = ((sbi->s_groups_count + groups_per_flex - 1) + - ((sbi->s_es->s_reserved_gdt_blocks +1 ) << - EXT4_DESC_PER_BLOCK_BITS(sb))) / - groups_per_flex; + ((le16_to_cpu(sbi->s_es->s_reserved_gdt_blocks) + 1) << + EXT4_DESC_PER_BLOCK_BITS(sb))) / groups_per_flex; sbi->s_flex_groups = kzalloc(flex_group_count * sizeof(struct flex_groups), GFP_KERNEL); if (sbi->s_flex_groups == NULL) {
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