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USB: serial: omninet: fix reference leaks at open
[firefly-linux-kernel-4.4.55.git]
/
drivers
/
usb
/
serial
/
safe_serial.c
diff --git
a/drivers/usb/serial/safe_serial.c
b/drivers/usb/serial/safe_serial.c
index b2dff0f14743880b8c01090ae9e13e8cab63a2c1..236ea43f7815f62c9a9847b805e02e61c1f430ca 100644
(file)
--- a/
drivers/usb/serial/safe_serial.c
+++ b/
drivers/usb/serial/safe_serial.c
@@
-205,6
+205,11
@@
static void safe_process_read_urb(struct urb *urb)
if (!safe)
goto out;
+ if (length < 2) {
+ dev_err(&port->dev, "malformed packet\n");
+ return;
+ }
+
fcs = fcs_compute10(data, length, CRC10_INITFCS);
if (fcs) {
dev_err(&port->dev, "%s - bad CRC %x\n", __func__, fcs);