net/smc: pre-fetch send buffer outside of send_lock
Pre-fetch send buffer for the CDC validation message before entering the send_lock. Without that the send call might fail with -EBUSY because there are no free buffers and waiting for buffers is not possible under send_lock. Signed-off-by:Karsten Graul <kgraul@linux.ibm.com> Reviewed-by:
Ursula Braun <ubraun@linux.ibm.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
parent
b86a3722
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