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65040c33ee
This simple patch copies the current approach for SIOCINQ ioctl() from DCCP into SCTP so that the userland code working with SCTP can use a similar interface across different protocols to know how much space to allocate for a buffer. Signed-off-by: Diego Elio Pettenò <flameeyes@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>