diff --git a/src/dev/devAiSoft.c b/src/dev/devAiSoft.c
index e592d3509..706601aab 100644
--- a/src/dev/devAiSoft.c
+++ b/src/dev/devAiSoft.c
@@ -81,8 +81,8 @@ static long init_record(pai)
     /* ai.inp must be a CONSTANT or a PV_LINK or a DB_LINK or a CA_LINK*/
     switch (pai->inp.type) {
     case (CONSTANT) :
-	recGblInitConstantLink(&pai->inp,DBF_DOUBLE,&pai->val);
-	pai->udf = FALSE;
+    if(recGblInitConstantLink(&pai->inp,DBF_DOUBLE,&pai->val))
+        pai->udf = FALSE;
 	break;
     case (PV_LINK) :
     case (DB_LINK) :
@@ -106,7 +106,7 @@ static long read_ai(pai)
 
     status = dbGetLink(&(pai->inp),DBR_DOUBLE, &(pai->val),0,0);
 
-    if (RTN_SUCCESS(status))
+    if (pai->inp.type!=CONSTANT && RTN_SUCCESS(status))
        pai->udf = FALSE;
 
     return(2); /*don't convert*/
diff --git a/src/dev/devBiSoft.c b/src/dev/devBiSoft.c
index afa13c9a3..fe23febdf 100644
--- a/src/dev/devBiSoft.c
+++ b/src/dev/devBiSoft.c
@@ -78,8 +78,8 @@ static long init_record(pbi)
     /* bi.inp must be a CONSTANT or a PV_LINK or a DB_LINK or a CA_LINK */
     switch (pbi->inp.type) {
     case (CONSTANT) :
-	recGblInitConstantLink(&pbi->inp,DBF_ENUM,&pbi->val);
-	pbi->udf = FALSE;
+    if(recGblInitConstantLink(&pbi->inp,DBF_ENUM,&pbi->val))
+        pbi->udf = FALSE;
         break;
     case (DB_LINK) :
     case (PV_LINK) :
@@ -100,7 +100,7 @@ static long read_bi(pbi)
 
     status = dbGetLink(&pbi->inp, DBR_USHORT, &pbi->val,0,0);
 
-    if(RTN_SUCCESS(status)) pbi->udf=FALSE;
+    if(pbi->inp.type!=CONSTANT && RTN_SUCCESS(status)) pbi->udf=FALSE;
 
     return(2);
 }
diff --git a/src/dev/devEventSoft.c b/src/dev/devEventSoft.c
index 6e3243ec7..ed91336af 100644
--- a/src/dev/devEventSoft.c
+++ b/src/dev/devEventSoft.c
@@ -76,8 +76,8 @@ static long init_record(pevent)
     /* event.inp must be a CONSTANT or a PV_LINK or a DB_LINK or a CA_LINK*/
     switch (pevent->inp.type) {
     case (CONSTANT) :
-	recGblInitConstantLink(&pevent->inp,DBF_USHORT,&pevent->val);
-	pevent->udf = FALSE;
+    if(recGblInitConstantLink(&pevent->inp,DBF_USHORT,&pevent->val))
+        pevent->udf = FALSE;
         break;
     case (PV_LINK) :
     case (DB_LINK) :
@@ -97,6 +97,6 @@ static long read_event(pevent)
     long status,options=0,nRequest=1;
 
     status = dbGetLink(&pevent->inp,DBR_USHORT,&pevent->val,0,0);
-    if(RTN_SUCCESS(status)) pevent->udf=FALSE;
+    if(pevent->inp.type!=CONSTANT && RTN_SUCCESS(status)) pevent->udf=FALSE;
     return(status);
 }
diff --git a/src/dev/devLiSoft.c b/src/dev/devLiSoft.c
index 53c789950..66d715276 100644
--- a/src/dev/devLiSoft.c
+++ b/src/dev/devLiSoft.c
@@ -75,8 +75,8 @@ static long init_record(plongin)
     /* longin.inp must be a CONSTANT or a PV_LINK or a DB_LINK or a CA_LINK*/
     switch (plongin->inp.type) {
     case (CONSTANT) :
-	recGblInitConstantLink(&plongin->inp,DBF_LONG,&plongin->val);
-	plongin->udf = FALSE;
+    if(recGblInitConstantLink(&plongin->inp,DBF_LONG,&plongin->val))
+		plongin->udf = FALSE;
 	break;
     case (PV_LINK) :
     case (DB_LINK) :
@@ -96,6 +96,6 @@ static long read_longin(plongin)
     long status;
 
     status = dbGetLink(&plongin->inp,DBR_LONG, &plongin->val,0,0);
-    if(RTN_SUCCESS(status)) plongin->udf=FALSE;
+    if(plongin->inp.type!=CONSTANT && RTN_SUCCESS(status)) plongin->udf=FALSE;
     return(status);
 }
diff --git a/src/dev/devMbbiDirectSoft.c b/src/dev/devMbbiDirectSoft.c
index 3139a8f54..f39f903dd 100644
--- a/src/dev/devMbbiDirectSoft.c
+++ b/src/dev/devMbbiDirectSoft.c
@@ -76,8 +76,8 @@ static long init_record(pmbbi)
     /* mbbi.inp must be a CONSTANT or a PV_LINK or a DB_LINK or a CA_LINK*/
     switch (pmbbi->inp.type) {
     case (CONSTANT) :
-	recGblInitConstantLink(&pmbbi->inp,DBF_ENUM,&pmbbi->val);
-	pmbbi->udf = FALSE;
+    if(recGblInitConstantLink(&pmbbi->inp,DBF_ENUM,&pmbbi->val))
+		pmbbi->udf = FALSE;
         break;
     case (DB_LINK) :
     case (PV_LINK) :
@@ -97,6 +97,6 @@ static long read_mbbi(pmbbi)
     long status;
 
     status = dbGetLink(&pmbbi->inp,DBR_USHORT,&pmbbi->val,0,0);
-    if (RTN_SUCCESS(status)) pmbbi->udf=FALSE;
+    if (pmbbi->inp.type!=CONSTANT && RTN_SUCCESS(status)) pmbbi->udf=FALSE;
     return(2);
 }
diff --git a/src/dev/devMbbiSoft.c b/src/dev/devMbbiSoft.c
index eef95ea7c..4ed5beb2a 100644
--- a/src/dev/devMbbiSoft.c
+++ b/src/dev/devMbbiSoft.c
@@ -77,8 +77,8 @@ static long init_record(pmbbi)
     long status;
 
     if (pmbbi->inp.type == CONSTANT) {
-	recGblInitConstantLink(&pmbbi->inp,DBF_ENUM,&pmbbi->val);
-	pmbbi->udf = FALSE;
+    if(recGblInitConstantLink(&pmbbi->inp,DBF_ENUM,&pmbbi->val))
+		pmbbi->udf = FALSE;
     }
     return(0);
 }
@@ -89,6 +89,6 @@ static long read_mbbi(pmbbi)
     long status;
 
     status = dbGetLink(&pmbbi->inp,DBR_USHORT,&pmbbi->val,0,0);
-    if(RTN_SUCCESS(status)) pmbbi->udf=FALSE;
+    if(pmbbi->inp.type!=CONSTANT && RTN_SUCCESS(status)) pmbbi->udf=FALSE;
     return(2);
 }
diff --git a/src/dev/devSiSoft.c b/src/dev/devSiSoft.c
index a70934e74..781fb67c4 100644
--- a/src/dev/devSiSoft.c
+++ b/src/dev/devSiSoft.c
@@ -75,9 +75,9 @@ static long init_record(pstringin)
     /* stringin.inp must be a CONSTANT or a PV_LINK or a DB_LINK or a CA_LINK*/
     switch (pstringin->inp.type) {
     case (CONSTANT) :
-	recGblInitConstantLink(&pstringin->inp,DBF_STRING,pstringin->val);
-	pstringin->udf = FALSE;
-        break;
+       if(recGblInitConstantLink(&pstringin->inp,DBF_STRING,pstringin->val))
+           pstringin->udf = FALSE;
+       break;
     case (PV_LINK) :
     case (DB_LINK) :
     case (CA_LINK) :
@@ -96,6 +96,6 @@ static long read_stringin(pstringin)
     long status;
 
     status = dbGetLink(&pstringin->inp,DBR_STRING,pstringin->val,0,0);
-    if(RTN_SUCCESS(status)) pstringin->udf=FALSE;
+    if(pstringin->inp.type!=CONSTANT && RTN_SUCCESS(status)) pstringin->udf=FALSE;
     return(status);
 }