redonkable/alistair23-linux
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USB: ssu100: refine process_packet in ssu100

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The status information does not appear at the start of each incoming
packet so the check for len < 4 at the start of ssu100_process_packet
is wrong.  Remove it.

Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Bill Pemberton 2010-08-05 17:01:06 -04:00 committed by Greg Kroah-Hartman
parent 175230587b
commit 9b2cef31f2
1 changed files with 2 additions and 6 deletions
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8
drivers/usb/serial/ssu100.c
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@ -575,12 +575,8 @@ static int ssu100_process_packet(struct tty_struct *tty,
dbg("%s - port %d", __func__, port->number);
if (len < 4) {
dbg("%s - malformed packet", __func__);
return 0;
}
if ((packet[0] == 0x1b) && (packet[1] == 0x1b) &&
if ((len >= 4) &&
(packet[0] == 0x1b) && (packet[1] == 0x1b) &&
((packet[2] == 0x00) || (packet[2] == 0x01))) {
if (packet[2] == 0x00)
priv->shadowLSR = packet[3] & (SERIAL_LSR_OE |