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 6165e6a..83ddac1 100644 (file)
--- 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;