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IB/srpt: Fix srpt_handle_cmd() error paths 

The target core function that should be called if target_submit_cmd()
fails is target_put_sess_cmd(). Additionally, change the return type
of srpt_handle_cmd() from int into void.

Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Alex Estrin <alex.estrin@intel.com>
Cc: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Bart Van Assche 2016-02-11 11:06:55 -08:00 committed by Doug Ledford
parent f108f0f66a
commit 2c7f37ff1c
1 changed files with 12 additions and 12 deletions
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24
drivers/infiniband/ulp/srpt/ib_srpt.c
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@ -91,6 +91,7 @@ MODULE_PARM_DESC(srpt_service_guid,
" instead of using the node_guid of the first HCA.");
static struct ib_client srpt_client;
static void srpt_release_cmd(struct se_cmd *se_cmd);
static void srpt_release_channel(struct srpt_rdma_ch *ch);
static int srpt_queue_status(struct se_cmd *cmd);
static void srpt_recv_done(struct ib_cq *cq, struct ib_wc *wc);
@ -1492,15 +1493,14 @@ static int srpt_check_stop_free(struct se_cmd *cmd)
/**
* srpt_handle_cmd() - Process SRP_CMD.
*/
static int srpt_handle_cmd(struct srpt_rdma_ch *ch,
struct srpt_recv_ioctx *recv_ioctx,
struct srpt_send_ioctx *send_ioctx)
static void srpt_handle_cmd(struct srpt_rdma_ch *ch,
struct srpt_recv_ioctx *recv_ioctx,
struct srpt_send_ioctx *send_ioctx)
{
struct se_cmd *cmd;
struct srp_cmd *srp_cmd;
u64 data_len;
enum dma_data_direction dir;
sense_reason_t ret;
int rc;
BUG_ON(!send_ioctx);
@ -1528,8 +1528,7 @@ static int srpt_handle_cmd(struct srpt_rdma_ch *ch,
if (srpt_get_desc_tbl(send_ioctx, srp_cmd, &dir, &data_len)) {
pr_err("0x%llx: parsing SRP descriptor table failed.\n",
srp_cmd->tag);
ret = TCM_INVALID_CDB_FIELD;
goto send_sense;
goto release_ioctx;
}
rc = target_submit_cmd(cmd, ch->sess, srp_cmd->cdb,
@ -1537,14 +1536,15 @@ static int srpt_handle_cmd(struct srpt_rdma_ch *ch,
scsilun_to_int(&srp_cmd->lun), data_len,
TCM_SIMPLE_TAG, dir, TARGET_SCF_ACK_KREF);
if (rc != 0) {
ret = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
goto send_sense;
pr_debug("target_submit_cmd() returned %d for tag %#llx\n", rc,
srp_cmd->tag);
goto release_ioctx;
}
return 0;
return;
send_sense:
transport_send_check_condition_and_sense(cmd, ret, 0);
return -1;
release_ioctx:
send_ioctx->state = SRPT_STATE_DONE;
srpt_release_cmd(cmd);
}
static int srp_tmr_to_tcm(int fn)