dt-bindings: PCI: rockchip: Add DT bindings for Rockchip PCIe controller
[firefly-linux-kernel-4.4.55.git] / fs / ncpfs / ioctl.c
index 79b113048eacdc645fb67994cb0dcb25aad84dd0..0a3f9b594602341350afb79f27ba2cd8191468e8 100644 (file)
@@ -525,6 +525,8 @@ static long __ncp_ioctl(struct inode *inode, unsigned int cmd, unsigned long arg
                        switch (rqdata.cmd) {
                                case NCP_LOCK_EX:
                                case NCP_LOCK_SH:
+                                               if (rqdata.timeout < 0)
+                                                       return -EINVAL;
                                                if (rqdata.timeout == 0)
                                                        rqdata.timeout = NCP_LOCK_DEFAULT_TIMEOUT;
                                                else if (rqdata.timeout > NCP_LOCK_MAX_TIMEOUT)