From: Bill Pemberton <wfp5p@xxxxxxxxxxxx>
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@xxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>
---
drivers/usb/serial/ssu100.c | 8 ++------
1 files changed, 2 insertions(+), 6 deletions(-)
diff --git a/drivers/usb/serial/ssu100.c b/drivers/usb/serial/ssu100.c
index 2826f01..c719388 100644
--- a/drivers/usb/serial/ssu100.c
+++ b/drivers/usb/serial/ssu100.c
@@ -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 |
--
1.7.2
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