coda_venus_readdir(): use offsetof()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

diff --git a/fs/coda/dir.c b/fs/coda/dir.c
index cd55323..9d52897 100644 (file)
--- a/fs/coda/dir.c
+++ b/fs/coda/dir.c
@@ -449,8 +449,7 @@ static int coda_venus_readdir(struct file *coda_file, void *buf,
        struct file *host_file;
        struct dentry *de;
        struct venus_dirent *vdir;
-       unsigned long vdir_size =
-           (unsigned long)(&((struct venus_dirent *)0)->d_name);
+       unsigned long vdir_size = offsetof(struct venus_dirent, d_name);
        unsigned int type;
        struct qstr name;
        ino_t ino;