libzfs: zfs_asprintf(): don't return undefined pointer

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz> Closes openzfs#11993
sempervictus · May 31, 2021 · 384a8d4 · 384a8d4
1 parent f575597
commit 384a8d4
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/lib/libzfs/libzfs_util.c b/lib/libzfs/libzfs_util.c
@@ -782,8 +782,10 @@ zfs_asprintf(libzfs_handle_t *hdl, const char *fmt, ...)
 
 	va_end(ap);
 
-	if (err < 0)
+	if (err < 0) {
 		(void) no_memory(hdl);
+		ret = NULL;
+	}
 
 	return (ret);
 }