https://github.com/torvalds/linux
Revision 8130b9d5b5abf26f9927b487c15319a187775f34 authored by Dongli Zhang on 03 March 2020, 22:14:23 UTC, committed by Boris Ostrovsky on 05 March 2020, 15:42:01 UTC
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>
1 parent 1b6a51e
History
Tip revision: 8130b9d5b5abf26f9927b487c15319a187775f34 authored by Dongli Zhang on 03 March 2020, 22:14:23 UTC
xenbus: req->err should be updated before req->state
Tip revision: 8130b9d
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