net/smc: remove sock_error detour in clc-functions
There is no need to store the return value in sk_err, if it is afterwards cleared again with sock_error(). This patch sets the return value directly. Just cleanup, no functional change. Signed-off-by: NUrsula Braun <ubraun@linux.ibm.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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