WIP: merge_config

[platform/kernel/linux-starfive.git] / drivers / macintosh / macio-adb.c

diff --git a/drivers/macintosh/macio-adb.c b/drivers/macintosh/macio-adb.c
index 9b63bd2..cd4e34d 100644 (file)
--- a/drivers/macintosh/macio-adb.c
+++ b/drivers/macintosh/macio-adb.c
@@ -108,6 +108,10 @@ int macio_init(void)
                return -ENXIO;
        }
        adb = ioremap(r.start, sizeof(struct adb_regs));
+       if (!adb) {
+               of_node_put(adbs);
+               return -ENOMEM;
+       }
 
        out_8(&adb->ctrl.r, 0);
        out_8(&adb->intr.r, 0);