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net: nfc: nci: drop nci_uart_default_recv

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nci_uart_register returns -EINVAL immediately when nu->ops.recv is not
set. So the same 'if' later never triggers so nci_uart_default_recv is
never used. Drop it.

Cc: "David S. Miller" <davem@davemloft.net>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: netdev@vger.kernel.org
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Link: https://lore.kernel.org/r/20210302062214.29627-17-jslaby@suse.cz
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Jiri Slaby 2021-03-02 07:21:47 +01:00 committed by Greg Kroah-Hartman
parent c2a5a45c02
commit 11771e0bf1
1 changed files with 0 additions and 10 deletions
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10
net/nfc/nci/uart.c
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@ -387,12 +387,6 @@ static int nci_uart_send(struct nci_uart *nu, struct sk_buff *skb)
return 0;
}
/* -- Default recv handler -- */
static int nci_uart_default_recv(struct nci_uart *nu, struct sk_buff *skb)
{
return nci_recv_frame(nu->ndev, skb);
}
int nci_uart_register(struct nci_uart *nu)
{
if (!nu || !nu->ops.open ||
@ -402,10 +396,6 @@ int nci_uart_register(struct nci_uart *nu)
/* Set the send callback */
nu->ops.send = nci_uart_send;
/* Install default handlers if not overridden */
if (!nu->ops.recv)
nu->ops.recv = nci_uart_default_recv;
/* Add this driver in the driver list */
if (nci_uart_drivers[nu->driver]) {
pr_err("driver %d is already registered\n", nu->driver);