[CIFS] Return better error when server requires signing but client forbids

Signed-off-by: Steve French <sfrench@us.ibm.com>
diff --git a/fs/cifs/CHANGES b/fs/cifs/CHANGES
index 2459ef0..3d41916 100644
--- a/fs/cifs/CHANGES
+++ b/fs/cifs/CHANGES
@@ -11,7 +11,8 @@
 leak that causes cifsd not to stop and rmmod to fail to cleanup
 cifs_request_buffers pool. Fix problem with POSIX Open/Mkdir on
 bigendian architectures. Fix possible memory corruption when
-EAGAIN returned on kern_recvmsg.
+EAGAIN returned on kern_recvmsg. Return better error if server
+requires packet signing but client has disabled it.
 
 Version 1.50
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