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| author | James Morris <jmorris@namei.org> | 2011-03-08 00:55:06 +0100 |
|---|---|---|
| committer | James Morris <jmorris@namei.org> | 2011-03-08 00:55:06 +0100 |
| commit | 1cc26bada9f6807814806db2f0d78792eecdac71 (patch) | |
| tree | 5509b5139db04af6c13db0a580c84116a4a54039 /drivers/usb/serial/usb_wwan.c | |
| parent | TOMOYO: Fix memory leak upon file open. (diff) | |
| parent | Merge branch 'omap-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/ker... (diff) | |
| download | linux-1cc26bada9f6807814806db2f0d78792eecdac71.tar.xz linux-1cc26bada9f6807814806db2f0d78792eecdac71.zip | |
Merge branch 'master'; commit 'v2.6.38-rc7' into next
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) { |