Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6

[~andy/linux] / fs / ntfs / inode.c

diff --git a/fs/ntfs/inode.c b/fs/ntfs/inode.c
index 82c5085559c6796332f97bfe3064861c5cc46aad..9938034762cca7867007dc841af663b0f097c574 100644 (file)
--- a/fs/ntfs/inode.c
+++ b/fs/ntfs/inode.c
@@ -27,6 +27,7 @@
 #include <linux/pagemap.h>
 #include <linux/quotaops.h>
 #include <linux/slab.h>
+#include <linux/log2.h>
 
 #include "aops.h"
 #include "attrib.h"
@@ -1570,7 +1571,7 @@ static int ntfs_read_locked_index_inode(struct inode *base_vi, struct inode *vi)
        ntfs_debug("Index collation rule is 0x%x.",
                        le32_to_cpu(ir->collation_rule));
        ni->itype.index.block_size = le32_to_cpu(ir->index_block_size);
-       if (ni->itype.index.block_size & (ni->itype.index.block_size - 1)) {
+       if (!is_power_of_2(ni->itype.index.block_size)) {
                ntfs_error(vi->i_sb, "Index block size (%u) is not a power of "
                                "two.", ni->itype.index.block_size);
                goto unm_err_out;