Replace usage of wrongtypeerr with helper (#7633)

* Replace usage of wrongtypeerr with helper

1 files changed, 1 insertions, 1 deletions

diff --git a/src/bitops.c b/src/bitops.c
index 4b1a09aa4..37fb13f0c 100644
--- a/src/bitops.c
+++ b/src/bitops.c
@@ -480,12 +480,12 @@ int getBitfieldTypeFromArgument(client *c, robj *o, int *sign, int *bits) {
 robj *lookupStringForBitCommand(client *c, size_t maxbit) {
     size_t byte = maxbit >> 3;
     robj *o = lookupKeyWrite(c->db,c->argv[1]);
+    if (checkType(c,o,OBJ_STRING)) return NULL;
 
     if (o == NULL) {
         o = createObject(OBJ_STRING,sdsnewlen(NULL, byte+1));
         dbAdd(c->db,c->argv[1],o);
     } else {
-        if (checkType(c,o,OBJ_STRING)) return NULL;
         o = dbUnshareStringValue(c->db,c->argv[1],o);
         o->ptr = sdsgrowzero(o->ptr,byte+1);
     }