X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=rcuja%2Frcuja-range.c;fp=rcuja%2Frcuja-range.c;h=00d68befa20d35b552f314bc680a3a3de81a310d;hb=cd7eb7a38f2a34ff10674795f3022f676b201e49;hp=faf60ce48feb86335a669d4de17973f2a2e93ad0;hpb=5bdedcd30d4284afa6355121d1b66dab73e6607b;p=userspace-rcu.git

diff --git a/rcuja/rcuja-range.c b/rcuja/rcuja-range.c
index faf60ce..00d68be 100644
--- a/rcuja/rcuja-range.c
+++ b/rcuja/rcuja-range.c
@@ -209,7 +209,7 @@ void rcu_free_range(struct cds_ja *ja, struct cds_ja_range *range)
 			free_range_cb);
 }
 
-struct cds_ja_range *cds_ja_range_add(struct cds_ja *ja,
+int cds_ja_range_add(struct cds_ja *ja,
 		uint64_t start,		/* inclusive */
 		uint64_t end,		/* inclusive */
 		void *priv)
@@ -230,7 +230,7 @@ retry:
 	old_range = caa_container_of(old_node, struct cds_ja_range, ja_node);
 	switch (CMM_LOAD_SHARED(old_range->type)) {
 	case CDS_JA_RANGE_ALLOCATED:
-		return NULL;
+		return -EEXIST;
 	case CDS_JA_RANGE_FREE:
 		break;
 	case CDS_JA_RANGE_REMOVED:
@@ -245,7 +245,7 @@ retry:
 		switch (CMM_LOAD_SHARED(old_range->type)) {
 		case CDS_JA_RANGE_ALLOCATED:
 		case CDS_JA_RANGE_FREE:		/* fall-through */
-			return NULL;
+			return -EEXIST;
 		case CDS_JA_RANGE_REMOVED:
 			goto retry;
 		}
@@ -315,7 +315,7 @@ retry:
 
 	rcu_free_range(ja, old_range);
 
-	return new_range;
+	return 0;
 }
 
 int cds_ja_range_del(struct cds_ja *ja, struct cds_ja_range *range)