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staging: rtl8192u: r8192U_core: don't print error when allocating urb fails 

kmalloc will print enough information in case of failure.

Signed-off-by: Wolfram Sang <wsa-dev@sang-engineering.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Wolfram Sang 2016-08-11 23:23:42 +02:00 committed by Greg Kroah-Hartman
parent ca47d8f3ff
commit e89549b91e
1 changed files with 1 additions and 4 deletions
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5
drivers/staging/rtl8192u/r8192U_core.c
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@ -1702,11 +1702,8 @@ short rtl8192_tx(struct net_device *dev, struct sk_buff *skb)
} }
if (bSend0Byte) { if (bSend0Byte) {
tx_urb_zero = usb_alloc_urb(0, GFP_ATOMIC); tx_urb_zero = usb_alloc_urb(0, GFP_ATOMIC);
if (!tx_urb_zero) { if (!tx_urb_zero)
RT_TRACE(COMP_ERR,
"can't alloc urb for zero byte\n");
return -ENOMEM; return -ENOMEM;
}
usb_fill_bulk_urb(tx_urb_zero, udev, usb_fill_bulk_urb(tx_urb_zero, udev,
usb_sndbulkpipe(udev, idx_pipe), usb_sndbulkpipe(udev, idx_pipe),
&zero, 0, tx_zero_isr, dev); &zero, 0, tx_zero_isr, dev);