[PATCH 6.1 030/208] copy_oldmem_kernel() - WRITE is "data source", not destination

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From: Al Viro <viro@xxxxxxxxxxxxxxxxxx>

[ Upstream commit 0e1e4a2238d465199e8f11eb7a779bcb224a0505 ]

Signed-off-by: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
Stable-dep-of: 6dd88fd59da8 ("vhost-scsi: unbreak any layout for response")
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 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;
-- 
2.39.0






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