diff options
| author | Ingo Molnar <mingo@elte.hu> | 2011-03-04 10:40:22 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2011-03-04 10:40:25 +0100 |
| commit | 888a8a3e9d79cbb9d83e53955f684998248580ec (patch) | |
| tree | 3dbf548438c77d89c8696a9a79c4129cdc2f3d3e /drivers/usb/serial/usb_wwan.c | |
| parent | cfff2d909cbdaf8c467bd321aa0502a548ec8f7e (diff) | |
| parent | b06b3d49699a52e8f9ca056c4f96e81b1987d78e (diff) | |
| download | blackbird-op-linux-888a8a3e9d79cbb9d83e53955f684998248580ec.tar.gz blackbird-op-linux-888a8a3e9d79cbb9d83e53955f684998248580ec.zip | |
Merge branch 'perf/urgent' into perf/core
Merge reason: Pick up updates before queueing up dependent patches.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/usb/serial/usb_wwan.c')
| -rw-r--r-- | drivers/usb/serial/usb_wwan.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/drivers/usb/serial/usb_wwan.c b/drivers/usb/serial/usb_wwan.c index b004b2a485c3..9c014e2ecd68 100644 --- a/drivers/usb/serial/usb_wwan.c +++ b/drivers/usb/serial/usb_wwan.c @@ -295,12 +295,15 @@ static void usb_wwan_indat_callback(struct urb *urb) __func__, status, endpoint); } else { tty = tty_port_tty_get(&port->port); - if (urb->actual_length) { - tty_insert_flip_string(tty, data, urb->actual_length); - tty_flip_buffer_push(tty); - } else - dbg("%s: empty read urb received", __func__); - tty_kref_put(tty); + if (tty) { + if (urb->actual_length) { + tty_insert_flip_string(tty, data, + urb->actual_length); + tty_flip_buffer_push(tty); + } else + dbg("%s: empty read urb received", __func__); + tty_kref_put(tty); + } /* Resubmit urb so we continue receiving */ if (status != -ESHUTDOWN) { |
