target/s390x: Remove ilen argument from trigger_access_exception

The single caller passes ILEN_UNWIND; pass that along to
trigger_pgm_exception directly.

Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20191001171614.8405-17-richard.henderson@linaro.org>
Signed-off-by: David Hildenbrand <david@redhat.com>

target/s390x/mmu_helper.c

@@ -33,7 +33,7 @@
 #define FS_WRITE 0x400
 
 static void trigger_access_exception(CPUS390XState *env, uint32_t type,
-                                     uint32_t ilen, uint64_t tec)
+                                     uint64_t tec)
 {
     S390CPU *cpu = env_archcpu(env);
 
@@ -44,7 +44,7 @@ static void trigger_access_exception(CPUS390XState *env, uint32_t type,
         if (type != PGM_ADDRESSING) {
             stq_phys(cs->as, env->psa + offsetof(LowCore, trans_exc_code), tec);
         }
-        trigger_pgm_exception(env, type, ilen);
+        trigger_pgm_exception(env, type, ILEN_UNWIND);
     }
 }
 
@@ -510,7 +510,7 @@ int s390_cpu_virt_mem_rw(S390CPU *cpu, vaddr laddr, uint8_t ar, void *hostbuf,
 
     ret = translate_pages(cpu, laddr, nr_pages, pages, is_write, &tec);
     if (ret) {
-        trigger_access_exception(&cpu->env, ret, ILEN_UNWIND, tec);
+        trigger_access_exception(&cpu->env, ret, tec);
     } else if (hostbuf != NULL) {
         /* Copy data by stepping through the area page by page */
         for (i = 0; i < nr_pages; i++) {