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| author | Bart Van Assche <bvanassche@acm.org> | 2019-01-25 21:34:51 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-05-08 08:20:52 +0300 |
| commit | ff7ec1b8e6f74d3b2d1de18983f2358de33a5f26 (patch) | |
| tree | f1add32a7adc257d15029423fc3fa962dc8f1a3c /drivers/infiniband/ulp | |
| parent | d253ff1a595fae749b479cb3bd3fd1b53478a65c (diff) | |
| download | linux-ff7ec1b8e6f74d3b2d1de18983f2358de33a5f26.tar.xz | |
scsi: RDMA/srpt: Fix a credit leak for aborted commands
commit 40ca8757291ca7a8775498112d320205b2a2e571 upstream.
Make sure that the next time a response is sent to the initiator that the
credit it had allocated for the aborted request gets freed.
Cc: Doug Ledford <dledford@redhat.com>
Cc: Jason Gunthorpe <jgg@ziepe.ca>
Cc: Nicholas Bellinger <nab@linux-iscsi.org>
Cc: Mike Christie <mchristi@redhat.com>
Cc: Hannes Reinecke <hare@suse.com>
Cc: Christoph Hellwig <hch@lst.de>
Fixes: 131e6abc674e ("target: Add TFO->abort_task for aborted task resources release") # v3.15
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/infiniband/ulp')
| -rw-r--r-- | drivers/infiniband/ulp/srpt/ib_srpt.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/infiniband/ulp/srpt/ib_srpt.c b/drivers/infiniband/ulp/srpt/ib_srpt.c index 47f3f562d86f..94161ca526fc 100644 --- a/drivers/infiniband/ulp/srpt/ib_srpt.c +++ b/drivers/infiniband/ulp/srpt/ib_srpt.c @@ -2381,8 +2381,19 @@ static void srpt_queue_tm_rsp(struct se_cmd *cmd) srpt_queue_response(cmd); } +/* + * This function is called for aborted commands if no response is sent to the + * initiator. Make sure that the credits freed by aborting a command are + * returned to the initiator the next time a response is sent by incrementing + * ch->req_lim_delta. + */ static void srpt_aborted_task(struct se_cmd *cmd) { + struct srpt_send_ioctx *ioctx = container_of(cmd, + struct srpt_send_ioctx, cmd); + struct srpt_rdma_ch *ch = ioctx->ch; + + atomic_inc(&ch->req_lim_delta); } static int srpt_queue_status(struct se_cmd *cmd) |