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authorLinus Walleij <[email protected]>2016-03-10 09:29:25 +0700
committerLinus Walleij <[email protected]>2016-03-10 09:29:25 +0700
commitcc998d8bc74341f6bbbcd63ab4449a6acfc45ee9 (patch)
tree2f4e23fa1ceb83b3e720afd52d9a5ef2be26c77e /drivers/usb/serial/visor.c
parentd2d13ed01362ecddc3f76f9cca31b0cd5d663a7e (diff)
parent81f70ba233d5f660e1ea5fe23260ee323af5d53a (diff)
Merge tag 'v4.5-rc5' into devel
Linux 4.5-rc5
Diffstat (limited to 'drivers/usb/serial/visor.c')
-rw-r--r--drivers/usb/serial/visor.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/usb/serial/visor.c b/drivers/usb/serial/visor.c
index 60afb39eb73c..337a0be89fcf 100644
--- a/drivers/usb/serial/visor.c
+++ b/drivers/usb/serial/visor.c
@@ -544,6 +544,11 @@ static int treo_attach(struct usb_serial *serial)
(serial->num_interrupt_in == 0))
return 0;
+ if (serial->num_bulk_in < 2 || serial->num_interrupt_in < 2) {
+ dev_err(&serial->interface->dev, "missing endpoints\n");
+ return -ENODEV;
+ }
+
/*
* It appears that Treos and Kyoceras want to use the
* 1st bulk in endpoint to communicate with the 2nd bulk out endpoint,
@@ -597,8 +602,10 @@ static int clie_5_attach(struct usb_serial *serial)
*/
/* some sanity check */
- if (serial->num_ports < 2)
- return -1;
+ if (serial->num_bulk_out < 2) {
+ dev_err(&serial->interface->dev, "missing bulk out endpoints\n");
+ return -ENODEV;
+ }
/* port 0 now uses the modified endpoint Address */
port = serial->port[0];