From 50a212ec906f7524620675f0c57357691c26c81f Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 16 Oct 2024 01:20:19 +0000
Subject: [PATCH] 修改GPIO导出默认初始值

---
 kernel/drivers/infiniband/hw/hfi1/file_ops.c |    7 +++++--
 1 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/kernel/drivers/infiniband/hw/hfi1/file_ops.c b/kernel/drivers/infiniband/hw/hfi1/file_ops.c
index d84b109..7828fb5 100644
--- a/kernel/drivers/infiniband/hw/hfi1/file_ops.c
+++ b/kernel/drivers/infiniband/hw/hfi1/file_ops.c
@@ -1359,12 +1359,15 @@
 		addr = arg + offsetof(struct hfi1_tid_info, tidcnt);
 		if (copy_to_user((void __user *)addr, &tinfo.tidcnt,
 				 sizeof(tinfo.tidcnt)))
-			return -EFAULT;
+			ret = -EFAULT;
 
 		addr = arg + offsetof(struct hfi1_tid_info, length);
-		if (copy_to_user((void __user *)addr, &tinfo.length,
+		if (!ret && copy_to_user((void __user *)addr, &tinfo.length,
 				 sizeof(tinfo.length)))
 			ret = -EFAULT;
+
+		if (ret)
+			hfi1_user_exp_rcv_invalid(fd, &tinfo);
 	}
 
 	return ret;

--
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