Dongli Zhang c4e8290c6f xenbus: req->err should be updated before req->state ... [ Upstream commit 8130b9d5b5 ] This patch adds the barrier to guarantee that req->err is always updated before req->state. Otherwise, read_reply() would not return ERR_PTR(req->err) but req->body, when process_writes()->xb_write() is failed. Signed-off-by: Dongli Zhang <dongli.zhang@oracle.com> Link: https://lore.kernel.org/r/20200303221423.21962-2-dongli.zhang@oracle.com Reviewed-by: Julien Grall <jgrall@amazon.com> Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com> Signed-off-by: Sasha Levin <sashal@kernel.org>		2020-03-25 08:06:08 +01:00
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Makefile
xenbus.h
xenbus_client.c
xenbus_comms.c	xenbus: req->err should be updated before req->state	2020-03-25 08:06:08 +01:00
xenbus_dev_backend.c
xenbus_dev_frontend.c
xenbus_probe.c
xenbus_probe_backend.c
xenbus_probe_frontend.c
xenbus_xs.c	xenbus: req->body should be updated before req->state	2020-03-25 08:06:08 +01:00