diff options
| author | Chris Mason <chris.mason@oracle.com> | 2011-11-02 15:48:34 -0400 |
|---|---|---|
| committer | Chris Mason <chris.mason@oracle.com> | 2011-11-06 03:08:49 -0500 |
| commit | 740c3d226cbba6cd6a32adfb66809c94938f3e57 (patch) | |
| tree | 375a5d2ee3bdc66f29e69e99c3691c3200407820 /fs/btrfs/ioctl.c | |
| parent | 806468f8bf76a3cb2b626dd282946a6c9c0a50f0 (diff) | |
Btrfs: fix the new inspection ioctls for 32 bit compat
The new ioctls to follow backrefs are not clean for 32/64 bit
compat. This reworks them for u64s everywhere. They are brand new, so
there are no problems with changing the interface now.
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs/btrfs/ioctl.c')
| -rw-r--r-- | fs/btrfs/ioctl.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index cc989399034..4a34c472f12 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -2895,7 +2895,7 @@ static long btrfs_ioctl_ino_to_path(struct btrfs_root *root, void __user *arg) { int ret = 0; int i; - unsigned long rel_ptr; + u64 rel_ptr; int size; struct btrfs_ioctl_ino_path_args *ipa = NULL; struct inode_fs_paths *ipath = NULL; @@ -2930,11 +2930,11 @@ static long btrfs_ioctl_ino_to_path(struct btrfs_root *root, void __user *arg) goto out; for (i = 0; i < ipath->fspath->elem_cnt; ++i) { - rel_ptr = ipath->fspath->str[i] - (char *)ipath->fspath->str; - ipath->fspath->str[i] = (void *)rel_ptr; + rel_ptr = ipath->fspath->val[i] - (u64)ipath->fspath->val; + ipath->fspath->val[i] = rel_ptr; } - ret = copy_to_user(ipa->fspath, ipath->fspath, size); + ret = copy_to_user((void *)ipa->fspath, (void *)ipath->fspath, size); if (ret) { ret = -EFAULT; goto out; @@ -3017,7 +3017,7 @@ static long btrfs_ioctl_logical_to_ino(struct btrfs_root *root, if (ret < 0) goto out; - ret = copy_to_user(loi->inodes, inodes, size); + ret = copy_to_user((void *)loi->inodes, (void *)inodes, size); if (ret) ret = -EFAULT; |