From 4826d83d9c4f6bbf61f997e7b68547b4bffd8a49 Mon Sep 17 00:00:00 2001 From: Ajeet Yadav Date: Thu, 2 Feb 2012 13:04:49 +0530 Subject: Squashfs: use define instead of constant Its better to use defined name instead of constant Signed-off-by: Ajeet Yadav Signed-off-by: Phillip Lougher --- fs/squashfs/dir.c | 3 +-- fs/squashfs/namei.c | 3 +-- fs/squashfs/squashfs_fs.h | 3 +++ 3 files changed, 5 insertions(+), 4 deletions(-) (limited to 'fs/squashfs') diff --git a/fs/squashfs/dir.c b/fs/squashfs/dir.c index 9dfe2ce0fb7..4a812bfcdd5 100644 --- a/fs/squashfs/dir.c +++ b/fs/squashfs/dir.c @@ -173,8 +173,7 @@ static int squashfs_readdir(struct file *file, void *dirent, filldir_t filldir) dir_count = le32_to_cpu(dirh.count) + 1; - /* dir_count should never be larger than 256 */ - if (dir_count > 256) + if (dir_count > SQUASHFS_DIR_COUNT) goto failed_read; while (dir_count--) { diff --git a/fs/squashfs/namei.c b/fs/squashfs/namei.c index 0682b38d7e3..66c70fc8c80 100644 --- a/fs/squashfs/namei.c +++ b/fs/squashfs/namei.c @@ -177,8 +177,7 @@ static struct dentry *squashfs_lookup(struct inode *dir, struct dentry *dentry, dir_count = le32_to_cpu(dirh.count) + 1; - /* dir_count should never be larger than 256 */ - if (dir_count > 256) + if (dir_count > SQUASHFS_DIR_COUNT) goto data_error; while (dir_count--) { diff --git a/fs/squashfs/squashfs_fs.h b/fs/squashfs/squashfs_fs.h index e8e14645de9..b2f9f623ac9 100644 --- a/fs/squashfs/squashfs_fs.h +++ b/fs/squashfs/squashfs_fs.h @@ -52,6 +52,9 @@ /* Max length of filename (not 255) */ #define SQUASHFS_NAME_LEN 256 +/* Max value for directory header count*/ +#define SQUASHFS_DIR_COUNT 256 + #define SQUASHFS_INVALID_FRAG (0xffffffffU) #define SQUASHFS_INVALID_XATTR (0xffffffffU) #define SQUASHFS_INVALID_BLK (-1LL) -- cgit v1.2.3