Merge tag 'devicetree-fixes-for-5.0-3' of git://git.kernel.org/pub/scm/linux/kernel...

[linux-2.6-microblaze.git] / fs / cifs / smb2file.c

diff --git a/fs/cifs/smb2file.c b/fs/cifs/smb2file.c
index eff01ed..b204e84 100644 (file)
--- a/fs/cifs/smb2file.c
+++ b/fs/cifs/smb2file.c
@@ -122,10 +122,10 @@ smb2_unlock_range(struct cifsFileInfo *cfile, struct file_lock *flock,
 
        /*
         * Accessing maxBuf is racy with cifs_reconnect - need to store value
-        * and check it for zero before using.
+        * and check it before using.
         */
        max_buf = tcon->ses->server->maxBuf;
-       if (!max_buf)
+       if (max_buf < sizeof(struct smb2_lock_element))
                return -EINVAL;
 
        BUILD_BUG_ON(sizeof(struct smb2_lock_element) > PAGE_SIZE);