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isdn: hisax: add missing usb_free_urb

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Add missing usb_free_urb() on failure path in st5481_setup_usb().

Found by Linux Driver Verification project (linuxtesting.org).

Signed-off-by: Marina Makienko <makienko@ispras.ru>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Marina Makienko 2013-02-25 22:26:50 +00:00 committed by David S. Miller
parent 6c8c4e4c24
commit 114a6f8b52
1 changed files with 10 additions and 2 deletions
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12
drivers/isdn/hisax/st5481_usb.c
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@ -294,13 +294,13 @@ int st5481_setup_usb(struct st5481_adapter *adapter)
// Allocate URBs and buffers for interrupt endpoint
urb = usb_alloc_urb(0, GFP_KERNEL);
if (!urb) {
return -ENOMEM;
goto err1;
}
intr->urb = urb;
buf = kmalloc(INT_PKT_SIZE, GFP_KERNEL);
if (!buf) {
return -ENOMEM;
goto err2;
}
endpoint = &altsetting->endpoint[EP_INT-1];
@ -313,6 +313,14 @@ int st5481_setup_usb(struct st5481_adapter *adapter)
endpoint->desc.bInterval);
return 0;
err2:
usb_free_urb(intr->urb);
intr->urb = NULL;
err1:
usb_free_urb(ctrl->urb);
ctrl->urb = NULL;
return -ENOMEM;
}
/*