linux-kernel - [PATCH v2 06/12] [s390] zcore: WRITE is "data source", not destination...

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Message-Id: <20221028023352.3532080-6-viro@zeniv.linux.org.uk>
Date:   Fri, 28 Oct 2022 03:33:46 +0100
From:   Al Viro <viro@...iv.linux.org.uk>
To:     Christoph Hellwig <hch@...radead.org>
Cc:     David Howells <dhowells@...hat.com>, willy@...radead.org,
        dchinner@...hat.com, Steve French <smfrench@...il.com>,
        Shyam Prasad N <nspmangalore@...il.com>,
        Rohith Surabattula <rohiths.msft@...il.com>,
        Jeff Layton <jlayton@...nel.org>,
        Ira Weiny <ira.weiny@...el.com>, torvalds@...ux-foundation.org,
        linux-cifs@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH v2 06/12] [s390] zcore: WRITE is "data source", not destination...

Signed-off-by: Al Viro <viro@...iv.linux.org.uk>
---
 drivers/s390/char/zcore.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/s390/char/zcore.c b/drivers/s390/char/zcore.c
index 6165e6aae762..83ddac1e5838 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;
-- 
2.30.2