1 files changed, 4 insertions, 2 deletions

diff --git a/kernel/acct.c b/kernel/acct.c
index 7afa31564162..9f3391090b3e 100644
--- a/kernel/acct.c
+++ b/kernel/acct.c
@@ -215,6 +215,7 @@ static void acct_file_reopen(struct bsd_acct_struct *acct, struct file *file,
 static int acct_on(char *name)
 {
         struct file *file;
+        struct vfsmount *mnt;
         int error;
         struct pid_namespace *ns;
         struct bsd_acct_struct *acct = NULL;
@@ -256,11 +257,12 @@ static int acct_on(char *name)
                 acct = NULL;
         }
 
-        mnt_pin(file->f_path.mnt);
+        mnt = file->f_path.mnt;
+        mnt_pin(mnt);
         acct_file_reopen(ns->bacct, file, ns);
         spin_unlock(&acct_lock);
 
-        mntput(file->f_path.mnt); /* it's pinned, now give up active reference */
+        mntput(mnt); /* it's pinned, now give up active reference */
         kfree(acct);
 
         return 0;