new helper: file_inode(file)

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

1 files changed, 2 insertions, 2 deletions

diff --git a/kernel/relay.c b/kernel/relay.c
index e8cd2027abbd..01ab081ac53a 100644
--- a/kernel/relay.c
+++ b/kernel/relay.c
@@ -1139,7 +1139,7 @@ static ssize_t relay_file_read_subbufs(struct file *filp, loff_t *ppos,
         if (!desc->count)
                 return 0;
 
-        mutex_lock(&filp->f_path.dentry->d_inode->i_mutex);
+        mutex_lock(&file_inode(filp)->i_mutex);
         do {
                 if (!relay_file_read_avail(buf, *ppos))
                         break;
@@ -1159,7 +1159,7 @@ static ssize_t relay_file_read_subbufs(struct file *filp, loff_t *ppos,
                         *ppos = relay_file_read_end_pos(buf, read_start, ret);
                 }
         } while (desc->count && ret);
-        mutex_unlock(&filp->f_path.dentry->d_inode->i_mutex);
+        mutex_unlock(&file_inode(filp)->i_mutex);
 
         return desc->written;
 }