From: Al Viro <viro@zeniv.linux.org.uk>
Date: Thu, 15 Sep 2022 23:02:47 +0000 (-0400)
Subject: zcore: WRITE is "data source", not destination...
X-Git-Tag: baikal/aarch64/sdk6.1~177
X-Git-Url: https://git.baikalelectronics.ru/sdk/?a=commitdiff_plain;h=3d18bcfe4a94a0757dbb3e03cf059884d4339f20;p=kernel.git

zcore: WRITE is "data source", not destination...

[ Upstream commit 4ba48e1bae5f68af24d8d71d4f28de9eb658af1d ]

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Stable-dep-of: 6dd88fd59da8 ("vhost-scsi: unbreak any layout for response")
Signed-off-by: Sasha Levin <sashal@kernel.org>
---

diff --git a/drivers/s390/char/zcore.c b/drivers/s390/char/zcore.c
index 6165e6aae762a..83ddac1e5838f 100644
--- a/drivers/s390/char/zcore.c
+++ b/drivers/s390/char/zcore.c
@@ -103,7 +103,7 @@ static inline int memcpy_hsa_kernel(void *dst, unsigned long src, size_t count)
 
 	kvec.iov_base = dst;
 	kvec.iov_len = count;
-	iov_iter_kvec(&iter, WRITE, &kvec, 1, count);
+	iov_iter_kvec(&iter, READ, &kvec, 1, count);
 	if (memcpy_hsa_iter(&iter, src, count) < count)
 		return -EIO;
 	return 0;