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-rw-r--r--fs/locks.c14
1 files changed, 12 insertions, 2 deletions
diff --git a/fs/locks.c b/fs/locks.c
index f5f648e003dd..def1ac2e87bd 100644
--- a/fs/locks.c
+++ b/fs/locks.c
@@ -1456,8 +1456,18 @@ EXPORT_SYMBOL(__break_lease);
*/
void lease_get_mtime(struct inode *inode, struct timespec *time)
{
- struct file_lock *flock = inode->i_flock;
- if (flock && IS_LEASE(flock) && (flock->fl_type == F_WRLCK))
+ bool has_lease = false;
+ struct file_lock *flock;
+
+ if (inode->i_flock) {
+ spin_lock(&inode->i_lock);
+ flock = inode->i_flock;
+ if (flock && IS_LEASE(flock) && (flock->fl_type == F_WRLCK))
+ has_lease = true;
+ spin_unlock(&inode->i_lock);
+ }
+
+ if (has_lease)
*time = current_fs_time(inode->i_sb);
else
*time = inode->i_mtime;