1 files changed, 2 insertions, 1 deletions

diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index 894b1f7b299d..f9bd8b83f40e 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -767,7 +767,8 @@ int cifs_lock(struct file *file, int cmd, struct file_lock *pfLock)
                         mutex_lock(&fid->lock_mutex);
                         list_for_each_entry_safe(li, tmp, &fid->llist, llist) {
                                 if (pfLock->fl_start <= li->offset &&
-                                                length >= li->length) {
+                                                (pflock->fl_start + length) >=
+                                                (li->offset + li->length)) {
                                         stored_rc = CIFSSMBLock(xid, pTcon,
                                                         netfid,
                                                         li->length, li->offset,