Message ID | 5559CBB8.2060300@sandisk.com (mailing list archive) |
---|---|
State | Accepted |
Headers | show
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Mon, 18 May 2015 11:23:39 +0000 Received: from MILHUBIP03.sdcorp.global.sandisk.com ( [172.22.12.162]) by milsmgep12.sandisk.com (Symantec Messaging Gateway) with SMTP id 0A.27.06265.BBBC9555; Mon, 18 May 2015 04:23:39 -0700 (PDT) Received: from milsmgip12.sandisk.com (10.177.8.100) by MILHUBIP03.sdcorp.global.sandisk.com (10.177.9.96) with Microsoft SMTP Server id 14.3.224.2; Mon, 18 May 2015 04:23:38 -0700 X-AuditID: ac160a69-f790f6d000001879-06-5559cbbba81c Received: from [10.50.231.56] ( [10.177.8.100]) by milsmgip12.sandisk.com (Symantec Messaging Gateway) with SMTP id 26.47.04661.9BBC9555; Mon, 18 May 2015 04:23:39 -0700 (PDT) Message-ID: <5559CBB8.2060300@sandisk.com> Date: Mon, 18 May 2015 13:23:36 +0200 From: Bart Van Assche <bart.vanassche@sandisk.com> User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.6.0 MIME-Version: 1.0 To: Doug Ledford <dledford@redhat.com> CC: James Bottomley <jbottomley@odin.com>, Sagi Grimberg <sagig@mellanox.com>, Sebastian Parschauer <sebastian.riemer@profitbricks.com>, linux-rdma <linux-rdma@vger.kernel.org>, "linux-scsi@vger.kernel.org" <linux-scsi@vger.kernel.org> Subject: [PATCH v2 04/12] IB/srp: Fix a connection setup race References: <5559CB3A.6060102@sandisk.com> In-Reply-To: <5559CB3A.6060102@sandisk.com> Content-Type: text/plain; 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diff --git a/drivers/infiniband/ulp/srp/ib_srp.c b/drivers/infiniband/ulp/srp/ib_srp.c index cdb7a71..034d755 100644 --- a/drivers/infiniband/ulp/srp/ib_srp.c +++ b/drivers/infiniband/ulp/srp/ib_srp.c @@ -1009,8 +1009,6 @@ static int srp_connect_ch(struct srp_rdma_ch *ch, bool multich) WARN_ON_ONCE(!multich && target->connected); - target->qp_in_error = false; - ret = srp_lookup_path(ch); if (ret) return ret; @@ -1259,6 +1257,9 @@ static int srp_rport_reconnect(struct srp_rport *rport) for (j = 0; j < target->queue_size; ++j) list_add(&ch->tx_ring[j]->list, &ch->free_tx); } + + target->qp_in_error = false; + for (i = 0; i < target->ch_count; i++) { ch = &target->ch[i]; if (ret || !ch->target) {
Avoid that receiving a DREQ while RDMA channels are being established causes target->qp_in_error to be reset. Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com> Cc: Sagi Grimberg <sagig@mellanox.com> Cc: Sebastian Parschauer <sebastian.riemer@profitbricks.com> Cc: <stable@vger.kernel.org> #v3.19 --- drivers/infiniband/ulp/srp/ib_srp.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-)