Index: geom_io.c
===================================================================
RCS file: /private/FreeBSD/src/sys/geom/geom_io.c,v
retrieving revision 1.57
diff -u -p -r1.57 geom_io.c
--- geom_io.c	11 Aug 2004 12:04:35 -0000	1.57
+++ geom_io.c	18 Aug 2004 21:25:31 -0000
@@ -167,6 +167,8 @@ g_io_getattr(const char *attr, struct g_
 
 	g_trace(G_T_BIO, "bio_getattr(%s)", attr);
 	bp = g_new_bio();
+	if (bp == NULL)
+		return (ENOMEM);
 	bp->bio_cmd = BIO_GETATTR;
 	bp->bio_done = NULL;
 	bp->bio_attribute = attr;
@@ -440,6 +442,11 @@ g_read_data(struct g_consumer *cp, off_t
 		("g_read_data(): invalid length %jd", (intmax_t)length));
 
 	bp = g_new_bio();
+	if (bp == NULL) {
+		if (error != NULL)
+			*error = ENOMEM;
+		return (NULL);
+	}
 	bp->bio_cmd = BIO_READ;
 	bp->bio_done = NULL;
 	bp->bio_offset = offset;
@@ -468,6 +475,8 @@ g_write_data(struct g_consumer *cp, off_
 		("g_write_data(): invalid length %jd", (intmax_t)length));
 
 	bp = g_new_bio();
+	if (bp == NULL)
+		return (ENOMEM);
 	bp->bio_cmd = BIO_WRITE;
 	bp->bio_done = NULL;
 	bp->bio_offset = offset;