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USB: serial: safe_serial: fix information leak in completion handler

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am: 0ab90ddba7

Change-Id: Id1d59a85bcec9ebc9a7307843c5cfd70179d9a59
This commit is contained in:
Johan Hovold
2017-03-18 11:35:36 +00:00
committed by android-build-merger
parent 384a102db6 0ab90ddba7
commit 6a85adbea5
1 changed files with 5 additions and 0 deletions
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5
drivers/usb/serial/safe_serial.c
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@@ -200,6 +200,11 @@ 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);