memcpy_real(): WRITE is "data source", not destination...

[ Upstream commit 77729412acde120712f5793e9134c2b1cbd1ee02 ]

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Stable-dep-of: 6dd88fd59da8 ("vhost-scsi: unbreak any layout for response")
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Al Viro 2022-10-23 13:29:08 -04:00 committed by Greg Kroah-Hartman
parent cefb33f5be
commit b50705b5ef

View File

@ -128,7 +128,7 @@ int memcpy_real(void *dest, unsigned long src, size_t count)
kvec.iov_base = dest;
kvec.iov_len = count;
iov_iter_kvec(&iter, WRITE, &kvec, 1, count);
iov_iter_kvec(&iter, READ, &kvec, 1, count);
if (memcpy_real_iter(&iter, src, count) < count)
return -EFAULT;
return 0;