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copy_oldmem_kernel() - WRITE is "data source", not destination

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[ Upstream commit 0e1e4a2238 ]

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Stable-dep-of: 6dd88fd59d ("vhost-scsi: unbreak any layout for response")
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Al Viro
2022-09-15 18:55:18 -04:00
committed by Greg Kroah-Hartman
parent ccbe22d484
commit 0332bdec06
1 changed files with 1 additions and 1 deletions
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arch/s390/kernel/crash_dump.c
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@ -153,7 +153,7 @@ int copy_oldmem_kernel(void *dst, unsigned long src, size_t count)
kvec.iov_base = dst; kvec.iov_base = dst;
kvec.iov_len = count; 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) if (copy_oldmem_iter(&iter, src, count) < count)
return -EFAULT; return -EFAULT;
return 0; return 0;