net: fix a compile error when CONFIG_NET_LL_RX_POLL is not set
When CONFIG_NET_LL_RX_POLL is not set, I got: net/socket.c: In function ‘sock_poll’: net/socket.c:1165:4: error: implicit declaration of function ‘sk_busy_loop’ [-Werror=implicit-function-declaration] Fix this by adding a nop when !CONFIG_NET_LL_RX_POLL. Cc: Eliezer Tamir <eliezer.tamir@linux.intel.com> Cc: David S. Miller <davem@davemloft.net> Signed-off-by: Cong Wang <amwang@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -181,5 +181,10 @@ static inline bool busy_loop_timeout(unsigned long end_time)
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return true;
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}
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static inline bool sk_busy_loop(struct sock *sk, int nonblock)
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{
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return false;
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}
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#endif /* CONFIG_NET_LL_RX_POLL */
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#endif /* _LINUX_NET_BUSY_POLL_H */
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