[PATCH v2 03/12] [s390] copy_oldmem_kernel() - WRITE is "data source", not destination

Al Viro
2022-10-28T02:34:22Z

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
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 dd74fe664ed1..7ad7f20320b9 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;
--
2.30.2