Commit 4f02cc40 authored by Pavel Begunkov's avatar Pavel Begunkov Committed by Jens Axboe
Browse files

io_uring/zcrx: clear RQ headers on init 



It might be unexpected to users if the RQ head/tail after a ring
creation are not zeroed, fix that.

Cc: stable@vger.kernel.org
Fixes: 6f377873 ("io_uring/zcrx: add interface queue and refill queue")
Signed-off-by: default avatarPavel Begunkov <asml.silence@gmail.com>
Link: https://patch.msgid.link/331f94663c3e8f021ffa3cb770ca2844a07d4855.1776760911.git.asml.silence@gmail.com


Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent 0fcccfd8

io_uring/zcrx.c

+1 −0
Original line number Diff line number Diff line
@@ -396,6 +396,7 @@ static int io_allocate_rbuf_ring(struct io_ring_ctx *ctx, 
	ifq->rq.ring = (struct io_uring *)ptr;

	ifq->rq.rqes = (struct io_uring_zcrx_rqe *)(ptr + off);



	memset(ifq->rq.ring, 0, sizeof(*ifq->rq.ring));

	return 0;

}