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authorDaniel Gimpelevich <daniel@gimpelevich.san-francisco.ca.us>2013-08-21 01:43:07 -0700
committerDavid S. Miller <davem@davemloft.net>2013-08-21 20:47:59 -0700
commit35e57e1b49a351aa804dab6010cd46ae6112a541 (patch)
tree6167a734303228b002f01db535fb6398ac53a18f /drivers/net
parentef40b7ef181b7b1a24df2ef2d1ef84956bffa635 (diff)
downloadlinux-35e57e1b49a351aa804dab6010cd46ae6112a541.tar.gz
hso: Earlier catch of error condition
There is no need to get an interface specification if we know it's the wrong one. Signed-off-by: Daniel Gimpelevich <daniel@gimpelevich.san-francisco.ca.us> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/usb/hso.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c
index cba1d46e672e..5fb36ed23c1f 100644
--- a/drivers/net/usb/hso.c
+++ b/drivers/net/usb/hso.c
@@ -2886,6 +2886,11 @@ static int hso_probe(struct usb_interface *interface,
struct hso_shared_int *shared_int;
struct hso_device *tmp_dev = NULL;
+ if (interface->cur_altsetting->desc.bInterfaceClass != 0xFF) {
+ dev_err(&interface->dev, "Not our interface\n");
+ return -ENODEV;
+ }
+
if_num = interface->altsetting->desc.bInterfaceNumber;
/* Get the interface/port specification from either driver_info or from
@@ -2895,10 +2900,6 @@ static int hso_probe(struct usb_interface *interface,
else
port_spec = hso_get_config_data(interface);
- if (interface->cur_altsetting->desc.bInterfaceClass != 0xFF) {
- dev_err(&interface->dev, "Not our interface\n");
- return -ENODEV;
- }
/* Check if we need to switch to alt interfaces prior to port
* configuration */
if (interface->num_altsetting > 1)