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| author | Alex Shi <alex.shi@linaro.org> | 2017-03-20 12:02:29 +0800 |
|---|---|---|
| committer | Alex Shi <alex.shi@linaro.org> | 2017-03-20 12:02:29 +0800 |
| commit | 018ed21cf3b7cb618c63294793d63b23ce4afe24 (patch) | |
| tree | 74dbac7cbb2288e8683ea5295cbf1aac42ab41c5 /drivers/usb/serial/io_ti.c | |
| parent | d661f15677f5205c1d272c2db90b60b2d56b25dd (diff) | |
| parent | d97f745e1d2fea4d2f308e5e06eee81a9a84f3f5 (diff) | |
Merge branch 'linux-linaro-lsk-v4.1' into linux-linaro-lsk-v4.1-androidlsk-v4.1-17.03-android
Diffstat (limited to 'drivers/usb/serial/io_ti.c')
| -rw-r--r-- | drivers/usb/serial/io_ti.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/usb/serial/io_ti.c b/drivers/usb/serial/io_ti.c index ddbb8fe1046d..2ef757f35162 100644 --- a/drivers/usb/serial/io_ti.c +++ b/drivers/usb/serial/io_ti.c @@ -2378,6 +2378,13 @@ static int edge_startup(struct usb_serial *serial) struct edgeport_serial *edge_serial; int status; + /* Make sure we have the required endpoints when in download mode. */ + if (serial->interface->cur_altsetting->desc.bNumEndpoints > 1) { + if (serial->num_bulk_in < serial->num_ports || + serial->num_bulk_out < serial->num_ports) + return -ENODEV; + } + /* create our private serial structure */ edge_serial = kzalloc(sizeof(struct edgeport_serial), GFP_KERNEL); if (!edge_serial) |