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-rw-r--r--fs/fhandle.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/fs/fhandle.c b/fs/fhandle.c
index 6b08864..a48e4a1 100644
--- a/fs/fhandle.c
+++ b/fs/fhandle.c
@@ -10,6 +10,7 @@
#include <linux/personality.h>
#include <asm/uaccess.h>
#include "internal.h"
+#include "mount.h"
static long do_sys_name_to_handle(struct path *path,
struct file_handle __user *ufh,
@@ -24,8 +25,8 @@ static long do_sys_name_to_handle(struct path *path,
* We need t make sure wether the file system
* support decoding of the file handle
*/
- if (!path->mnt->mnt_sb->s_export_op ||
- !path->mnt->mnt_sb->s_export_op->fh_to_dentry)
+ if (!path->dentry->d_sb->s_export_op ||
+ !path->dentry->d_sb->s_export_op->fh_to_dentry)
return -EOPNOTSUPP;
if (copy_from_user(&f_handle, ufh, sizeof(struct file_handle)))
@@ -66,7 +67,8 @@ static long do_sys_name_to_handle(struct path *path,
} else
retval = 0;
/* copy the mount id */
- if (copy_to_user(mnt_id, &path->mnt->mnt_id, sizeof(*mnt_id)) ||
+ if (copy_to_user(mnt_id, &real_mount(path->mnt)->mnt_id,
+ sizeof(*mnt_id)) ||
copy_to_user(ufh, handle,
sizeof(struct file_handle) + handle_bytes))
retval = -EFAULT;
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