A TCP RST/FIN can be received even before the connection specific
structures are initialized.This fix checks for the conn structure
is intialized or not  when RST/FIN is received.
Signed-off-by: NJohn Soni Jose <sony.john-n@emulex.com>
Signed-off-by: NJayamohan Kallickal <jayamohan.kallickal@emulex.com>
Signed-off-by: NJames Bottomley <JBottomley@Parallels.com>