From bb03164a366cf740a5360edb02daa92630971300 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Sun, 23 Oct 2022 13:29:08 -0400 Subject: [PATCH] memcpy_real(): WRITE is "data source", not destination... [ Upstream commit de921f1c616e2e7bc43bc9fb4c95b1a38024a1e6 ] Signed-off-by: Al Viro Stable-dep-of: 983dbdfd3439 ("vhost-scsi: unbreak any layout for response") Signed-off-by: Sasha Levin --- arch/s390/mm/maccess.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/s390/mm/maccess.c b/arch/s390/mm/maccess.c index 1571cdcb0c50c..753b006c8ea54 100644 --- a/arch/s390/mm/maccess.c +++ b/arch/s390/mm/maccess.c @@ -128,7 +128,7 @@ int memcpy_real(void *dest, unsigned long src, size_t count) kvec.iov_base = dest; kvec.iov_len = count; - iov_iter_kvec(&iter, WRITE, &kvec, 1, count); + iov_iter_kvec(&iter, READ, &kvec, 1, count); if (memcpy_real_iter(&iter, src, count) < count) return -EFAULT; return 0; -- 2.39.5