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RDMA/srp: Propagate ib_post_send() failures to the SCSI mid-layer

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[ Upstream commit 2ee00f6a98c36f7e4ba07cc33f24cc5a69060cc9 ]

This patch avoids that the SCSI mid-layer keeps retrying forever if
ib_post_send() fails. This was discovered while testing immediate
data support and passing a too large num_sge value to ib_post_send().

Cc: Sergey Gorenko <sergeygo@mellanox.com>
Cc: Max Gurtovoy <maxg@mellanox.com>
Cc: Laurence Oberman <loberman@redhat.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Bart Van Assche 2018-12-17 13:20:36 -08:00 • committed by Greg Kroah-Hartman
parent b73fbb8034
commit 04fccc7571
1 changed files with 1 additions and 0 deletions
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drivers/infiniband/ulp/srp/ib_srp.c
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@ -2135,6 +2135,7 @@ static int srp_queuecommand(struct Scsi_Host *shost, struct scsi_cmnd *scmnd)
if (srp_post_send(ch, iu, len)) {
shost_printk(KERN_ERR, target->scsi_host, PFX "Send failed\n");
scmnd->result = DID_ERROR << 16;
goto err_unmap;
}