diff mbox series

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

Message ID 20221028023352.3532080-3-viro@zeniv.linux.org.uk (mailing list archive)
State New, archived
Headers show
Series [v2,01/12] get rid of unlikely() on page_copy_sane() calls | expand

Commit Message

Al Viro Oct. 28, 2022, 2:33 a.m. UTC 
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 mbox series

Patch

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;