diff options
author | Otavio Salvador <otavio@ossystems.com.br> | 2017-06-17 10:40:10 -0300 |
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committer | Otavio Salvador <otavio@ossystems.com.br> | 2017-06-17 10:40:10 -0300 |
commit | 5c7513c4866175f5057fbe1d039e53e00a2dba53 (patch) | |
tree | 6867123fc8d4a114d3985763157d0494c0d8e3ae /drivers/usb/serial/io_ti.c | |
parent | 683b9eda58bdc48ad6606f22ca318f1d2200934d (diff) | |
parent | 4bd4cfc5210ef2f9002e54a16334a56acd295e4b (diff) |
Merge tag 'v4.1.41' into 4.1-2.0.x-imx
Linux 4.1.41
* tag 'v4.1.41': (473 commits)
Linux 4.1.41
mm/huge_memory.c: respect FOLL_FORCE/FOLL_COW for thp
xc2028: Fix use-after-free bug properly
iio: proximity: as3935: fix as3935_write
ipx: call ipxitf_put() in ioctl error path
sched/fair: Initialize throttle_count for new task-groups lazily
sched/fair: Do not announce throttled next buddy in dequeue_task_fair()
iio: dac: ad7303: fix channel description
mwifiex: pcie: fix cmd_buf use-after-free in remove/reset
rtlwifi: rtl8821ae: setup 8812ae RFE according to device type
ARM: tegra: paz00: Mark panel regulator as enabled on boot
fs/xattr.c: zero out memory copied to userspace in getxattr
vfio/type1: Remove locked page accounting workqueue
crypto: algif_aead - Require setkey before accept(2)
staging: gdm724x: gdm_mux: fix use-after-free on module unload
drm/ttm: fix use-after-free races in vm fault handling
f2fs: sanity check segment count
ipv6: reorder ip6_route_dev_notifier after ipv6_dev_notf
ipv6: initialize route null entry in addrconf_init()
rtnetlink: NUL-terminate IFLA_PHYS_PORT_NAME string
...
Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
Diffstat (limited to 'drivers/usb/serial/io_ti.c')
-rw-r--r-- | drivers/usb/serial/io_ti.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/drivers/usb/serial/io_ti.c b/drivers/usb/serial/io_ti.c index 2ef757f35162..4a0cb7aee562 100644 --- a/drivers/usb/serial/io_ti.c +++ b/drivers/usb/serial/io_ti.c @@ -1546,6 +1546,12 @@ static void edge_interrupt_callback(struct urb *urb) function = TIUMP_GET_FUNC_FROM_CODE(data[0]); dev_dbg(dev, "%s - port_number %d, function %d, info 0x%x\n", __func__, port_number, function, data[1]); + + if (port_number >= edge_serial->serial->num_ports) { + dev_err(dev, "bad port number %d\n", port_number); + goto exit; + } + port = edge_serial->serial->port[port_number]; edge_port = usb_get_serial_port_data(port); if (!edge_port) { @@ -1626,7 +1632,7 @@ static void edge_bulk_in_callback(struct urb *urb) port_number = edge_port->port->port_number; - if (edge_port->lsr_event) { + if (urb->actual_length > 0 && edge_port->lsr_event) { edge_port->lsr_event = 0; dev_dbg(dev, "%s ===== Port %u LSR Status = %02x, Data = %02x ======\n", __func__, port_number, edge_port->lsr_mask, *data); @@ -2204,8 +2210,11 @@ static void change_port_settings(struct tty_struct *tty, if (!baud) { /* pick a default, any default... */ baud = 9600; - } else + } else { + /* Avoid a zero divisor. */ + baud = min(baud, 461550); tty_encode_baud_rate(tty, baud, baud); + } edge_port->baud_rate = baud; config->wBaudRate = (__u16)((461550L + baud/2) / baud); |