tdb_delete: check returns for 0, not -1.

TDB2 returns a negative error number on failure.  This is compatible
if we always check for != 0 instead of == -1.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

5 files changed, 8 insertions, 8 deletions

diff --git a/lib/util/util_tdb.h b/lib/util/util_tdb.h
index c563f0d4b65..92b88bacb4b 100644
--- a/lib/util/util_tdb.h
+++ b/lib/util/util_tdb.h
@@ -111,7 +111,7 @@ int tdb_store_bystring(struct tdb_context *tdb, const char *keystr, TDB_DATA dat
 TDB_DATA tdb_fetch_bystring(struct tdb_context *tdb, const char *keystr);
 
 /****************************************************************************
- Delete an entry using a null terminated string key. 
+ Delete an entry using a null terminated string key.  0 on success, -ve on err.
 ****************************************************************************/
 int tdb_delete_bystring(struct tdb_context *tdb, const char *keystr);
 
diff --git a/source3/lib/gencache.c b/source3/lib/gencache.c
index 5e154728297..5c9c1a296af 100644
--- a/source3/lib/gencache.c
+++ b/source3/lib/gencache.c
@@ -548,7 +548,7 @@ static int stabilize_fn(struct tdb_context *tdb, TDB_DATA key, TDB_DATA val,
 	}
 	if ((timeout < time(NULL)) || (val.dsize == 0)) {
 		res = tdb_delete(cache, key);
-		if ((res == -1) && (tdb_error(cache) == TDB_ERR_NOEXIST)) {
+		if ((res != 0) && (tdb_error(cache) == TDB_ERR_NOEXIST)) {
 			res = 0;
 		} else {
 			state->written = true;
@@ -560,14 +560,14 @@ static int stabilize_fn(struct tdb_context *tdb, TDB_DATA key, TDB_DATA val,
 		}
 	}
 
-	if (res == -1) {
+	if (res != 0) {
 		DEBUG(10, ("Transfer to gencache.tdb failed: %s\n",
 			   tdb_errorstr(cache)));
 		state->error = true;
 		return -1;
 	}
 
-	if (tdb_delete(cache_notrans, key) == -1) {
+	if (tdb_delete(cache_notrans, key) != 0) {
 		DEBUG(10, ("tdb_delete from gencache_notrans.tdb failed: "
 			   "%s\n", tdb_errorstr(cache_notrans)));
 		state->error = true;
diff --git a/source3/libsmb/smb_share_modes.c b/source3/libsmb/smb_share_modes.c
index 2bf430dfea5..4477da6a19c 100644
--- a/source3/libsmb/smb_share_modes.c
+++ b/source3/libsmb/smb_share_modes.c
@@ -450,7 +450,7 @@ int smb_delete_share_mode_entry(struct smbdb_ctx *db_ctx,
 		}
 		/* It's ours - just remove the entire record. */
 		free(db_data.dptr);
-		return tdb_delete(db_ctx->smb_tdb, locking_key);
+		return tdb_delete(db_ctx->smb_tdb, locking_key) ? -1 : 0;
 	}
 
 	/* More than one - allocate a new record minus the one we'll delete. */
@@ -489,7 +489,7 @@ int smb_delete_share_mode_entry(struct smbdb_ctx *db_ctx,
 		/* None left after pruning. Delete record. */
 		free(db_data.dptr);
 		free(new_data_p);
-		return tdb_delete(db_ctx->smb_tdb, locking_key);
+		return tdb_delete(db_ctx->smb_tdb, locking_key) ? -1 : 0;
 	}
 
 	/* Copy any delete tokens plus the terminating filenames. */
diff --git a/source3/winbindd/winbindd_cache.c b/source3/winbindd/winbindd_cache.c
index daea4e866a6..c45aabc9026 100644
--- a/source3/winbindd/winbindd_cache.c
+++ b/source3/winbindd/winbindd_cache.c
@@ -4420,7 +4420,7 @@ static bool wcache_tdc_store_list( struct winbindd_tdc_domain *domains, size_t n
 	SAFE_FREE( data.dptr );
 	SAFE_FREE( key.dptr );
 
-	return ( ret != -1 );	
+	return ( ret == 0 );
 }
 
 /*********************************************************************
diff --git a/source4/ntvfs/posix/xattr_tdb.c b/source4/ntvfs/posix/xattr_tdb.c
index c325561562d..44aced9beed 100644
--- a/source4/ntvfs/posix/xattr_tdb.c
+++ b/source4/ntvfs/posix/xattr_tdb.c
@@ -218,7 +218,7 @@ NTSTATUS delete_xattr_tdb(struct pvfs_state *pvfs, const char *attr_name,
 		return status;
 	}
 	
-	if (tdb_delete(pvfs->ea_db->tdb, tkey) == -1) {
+	if (tdb_delete(pvfs->ea_db->tdb, tkey) != 0) {
 		talloc_free(tkey.dptr);
 		return NT_STATUS_INTERNAL_DB_CORRUPTION;
 	}