Gitweb: http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=e1b5c1d3da05c91129120d045dfcdfc7761f44f1 Commit: e1b5c1d3da05c91129120d045dfcdfc7761f44f1 Parent: e7d709c096487078652a1384d7a2d0e4459e18b6 Author: Vignesh Babu BM <[EMAIL PROTECTED]> AuthorDate: Tue May 8 00:24:30 2007 -0700 Committer: Linus Torvalds <[EMAIL PROTECTED]> CommitDate: Tue May 8 11:14:59 2007 -0700
is_power_of_2 in fs/hfs Replace (n & (n-1)) in the context of power of 2 checks with is_power_of_2 Signed-off-by: vignesh babu <[EMAIL PROTECTED]> Cc: Roman Zippel <[EMAIL PROTECTED]> Signed-off-by: Andrew Morton <[EMAIL PROTECTED]> Signed-off-by: Linus Torvalds <[EMAIL PROTECTED]> --- fs/hfs/btree.c | 3 ++- fs/hfsplus/btree.c | 3 ++- 2 files changed, 4 insertions(+), 2 deletions(-) diff --git a/fs/hfs/btree.c b/fs/hfs/btree.c index 5fd0ed7..8a3a650 100644 --- a/fs/hfs/btree.c +++ b/fs/hfs/btree.c @@ -9,6 +9,7 @@ */ #include <linux/pagemap.h> +#include <linux/log2.h> #include "btree.h" @@ -76,7 +77,7 @@ struct hfs_btree *hfs_btree_open(struct super_block *sb, u32 id, btree_keycmp ke tree->depth = be16_to_cpu(head->depth); size = tree->node_size; - if (!size || size & (size - 1)) + if (!is_power_of_2(size)) goto fail_page; if (!tree->node_count) goto fail_page; diff --git a/fs/hfsplus/btree.c b/fs/hfsplus/btree.c index a9b9e87..90ebab7 100644 --- a/fs/hfsplus/btree.c +++ b/fs/hfsplus/btree.c @@ -10,6 +10,7 @@ #include <linux/slab.h> #include <linux/pagemap.h> +#include <linux/log2.h> #include "hfsplus_fs.h" #include "hfsplus_raw.h" @@ -69,7 +70,7 @@ struct hfs_btree *hfs_btree_open(struct super_block *sb, u32 id) } size = tree->node_size; - if (!size || size & (size - 1)) + if (!is_power_of_2(size)) goto fail_page; if (!tree->node_count) goto fail_page; - To unsubscribe from this list: send the line "unsubscribe git-commits-head" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html