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41 lines
1.4 KiB
Diff
41 lines
1.4 KiB
Diff
From 35e57e1b49a351aa804dab6010cd46ae6112a541 Mon Sep 17 00:00:00 2001
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From: Daniel Gimpelevich <daniel@gimpelevich.san-francisco.ca.us>
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Date: Wed, 21 Aug 2013 01:43:07 -0700
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Subject: [PATCH 1/2] hso: Earlier catch of error condition
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There is no need to get an interface specification if we know it's the
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wrong one.
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Signed-off-by: Daniel Gimpelevich <daniel@gimpelevich.san-francisco.ca.us>
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Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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---
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drivers/net/usb/hso.c | 9 +++++----
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1 file changed, 5 insertions(+), 4 deletions(-)
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--- a/drivers/net/usb/hso.c
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+++ b/drivers/net/usb/hso.c
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@@ -2908,6 +2908,11 @@ static int hso_probe(struct usb_interfac
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struct hso_shared_int *shared_int;
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struct hso_device *tmp_dev = NULL;
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+ if (interface->cur_altsetting->desc.bInterfaceClass != 0xFF) {
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+ dev_err(&interface->dev, "Not our interface\n");
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+ return -ENODEV;
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+ }
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+
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if_num = interface->altsetting->desc.bInterfaceNumber;
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/* Get the interface/port specification from either driver_info or from
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@@ -2917,10 +2922,6 @@ static int hso_probe(struct usb_interfac
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else
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port_spec = hso_get_config_data(interface);
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- if (interface->cur_altsetting->desc.bInterfaceClass != 0xFF) {
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- dev_err(&interface->dev, "Not our interface\n");
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- return -ENODEV;
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- }
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/* Check if we need to switch to alt interfaces prior to port
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* configuration */
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if (interface->num_altsetting > 1)
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