s390x/sclp.c: remove unneeded label in sclp_service_call()

'out' label can be replaced by 'return' with the appropriate
value. The 'r' integer, which is used solely to set the
return value for this label, can also be removed.

CC: Cornelia Huck <cohuck@redhat.com>
CC: Halil Pasic <pasic@linux.ibm.com>
CC: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20200106182425.20312-39-danielhb413@gmail.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>

diff --git a/hw/s390x/sclp.c b/hw/s390x/sclp.c
index f57ce7b73943564f4d44dcbe0cf03672586bf914..af0bfbc2eca747671805ca1507c608ce3545d5a9 100644 (file)
--- a/hw/s390x/sclp.c
+++ b/hw/s390x/sclp.c
@@ -197,24 +197,20 @@ int sclp_service_call(CPUS390XState *env, uint64_t sccb, uint32_t code)
 {
     SCLPDevice *sclp = get_sclp_device();
     SCLPDeviceClass *sclp_c = SCLP_GET_CLASS(sclp);
-    int r = 0;
     SCCB work_sccb;
 
     hwaddr sccb_len = sizeof(SCCB);
 
     /* first some basic checks on program checks */
     if (env->psw.mask & PSW_MASK_PSTATE) {
-        r = -PGM_PRIVILEGED;
-        goto out;
+        return -PGM_PRIVILEGED;
     }
     if (cpu_physical_memory_is_io(sccb)) {
-        r = -PGM_ADDRESSING;
-        goto out;
+        return -PGM_ADDRESSING;
     }
     if ((sccb & ~0x1fffUL) == 0 || (sccb & ~0x1fffUL) == env->psa
         || (sccb & ~0x7ffffff8UL) != 0) {
-        r = -PGM_SPECIFICATION;
-        goto out;
+        return -PGM_SPECIFICATION;
     }
 
     /*
@@ -226,8 +222,7 @@ int sclp_service_call(CPUS390XState *env, uint64_t sccb, uint32_t code)
 
     /* Valid sccb sizes */
     if (be16_to_cpu(work_sccb.h.length) < sizeof(SCCBHeader)) {
-        r = -PGM_SPECIFICATION;
-        goto out;
+        return -PGM_SPECIFICATION;
     }
 
     switch (code & SCLP_CMD_CODE_MASK) {
@@ -257,8 +252,7 @@ out_write:
 
     sclp_c->service_interrupt(sclp, sccb);
 
-out:
-    return r;
+    return 0;
 }
 
 static void service_interrupt(SCLPDevice *sclp, uint32_t sccb)