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| author | Alex Shi <alex.shi@linaro.org> | 2017-03-20 12:03:13 +0800 |
|---|---|---|
| committer | Alex Shi <alex.shi@linaro.org> | 2017-03-20 12:03:13 +0800 |
| commit | 89e7fad96be88f30f491bf227d864bf5e8e701b2 (patch) | |
| tree | 6316161ebd26b780991ff8632471fbbfa3af7ea8 /drivers/usb/serial/safe_serial.c | |
| parent | 5b0250d2571ee75ca3c0b34579c3e90bc2bd9c6a (diff) | |
| parent | 1c563c0006661025d7a6c9bc85fc889a4e8a1c06 (diff) | |
Merge branch 'linux-linaro-lsk-v4.4' into linux-linaro-lsk-v4.4-rtlsk-v4.4-17.09-rtlsk-v4.4-17.08-rtlsk-v4.4-17.07-rtlsk-v4.4-17.06-rtlsk-v4.4-17.05-rtlsk-v4.4-17.03-rt
Diffstat (limited to 'drivers/usb/serial/safe_serial.c')
| -rw-r--r-- | drivers/usb/serial/safe_serial.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/usb/serial/safe_serial.c b/drivers/usb/serial/safe_serial.c index b2dff0f14743..236ea43f7815 100644 --- 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); |