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

Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Ahelenia Ziemiańska <[email protected]> Closes #11993
openzfs · May 8, 2021 · 2babd20 · 2babd20
1 parent 87b671f
commit 2babd20
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);
 }