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net: cdc_ncm: fix error path for single interface probing

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commit bbc8d92 (net: cdc_ncm: add Huawei devices) implemented
support for devices with a single combined control and data
interface. Fix up the error path so that we do not double
release such interfaces in case of probing failures.

Signed-off-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Bjørn Mork
2013-01-21 05:50:40 +00:00
committed by David S. Miller
parent 328d7b8a4a
commit 6b4ef60299
1 changed files with 2 additions and 1 deletions
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3
drivers/net/usb/cdc_ncm.c
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@@ -524,7 +524,8 @@ int cdc_ncm_bind_common(struct usbnet *dev, struct usb_interface *intf, u8 data_
error2:
usb_set_intfdata(ctx->control, NULL);
usb_set_intfdata(ctx->data, NULL);
usb_driver_release_interface(driver, ctx->data);
if (ctx->data != ctx->control)
usb_driver_release_interface(driver, ctx->data);
error:
cdc_ncm_free((struct cdc_ncm_ctx *)dev->data[0]);
dev->data[0] = 0;