From 0332bdec060af671755bf5e330fe4e19eea6c783 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Thu, 15 Sep 2022 18:55:18 -0400 Subject: [PATCH] copy_oldmem_kernel() - WRITE is "data source", not destination [ Upstream commit 0e1e4a2238d465199e8f11eb7a779bcb224a0505 ] Signed-off-by: Al Viro Stable-dep-of: 6dd88fd59da8 ("vhost-scsi: unbreak any layout for response") Signed-off-by: Sasha Levin --- arch/s390/kernel/crash_dump.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/s390/kernel/crash_dump.c b/arch/s390/kernel/crash_dump.c index e4ef67e4da0a..a19a2763e8d4 100644 --- a/arch/s390/kernel/crash_dump.c +++ b/arch/s390/kernel/crash_dump.c @@ -153,7 +153,7 @@ int copy_oldmem_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 (copy_oldmem_iter(&iter, src, count) < count) return -EFAULT; return 0;