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scsi: bnx2fc: Check for connection offload before sending RRQ. 

If the connection is not offloaded then the backpointers from the tgt
pointer are undefined.

Signed-off-by: Chad Dupuis <chad.dupuis@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Chad Dupuis 2017-06-26 08:59:33 -07:00 committed by Martin K. Petersen
parent 56ffd3a050
commit de08f46b90
1 changed files with 10 additions and 3 deletions
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13
drivers/scsi/bnx2fc/bnx2fc_els.c
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@ -61,13 +61,20 @@ int bnx2fc_send_rrq(struct bnx2fc_cmd *aborted_io_req)
struct fc_els_rrq rrq;
struct bnx2fc_rport *tgt = aborted_io_req->tgt;
struct fc_lport *lport = tgt->rdata->local_port;
struct fc_lport *lport = NULL;
struct bnx2fc_els_cb_arg *cb_arg = NULL;
u32 sid = tgt->sid;
u32 r_a_tov = lport->r_a_tov;
u32 sid = 0;
u32 r_a_tov = 0;
unsigned long start = jiffies;
int rc;
if (!test_bit(BNX2FC_FLAG_SESSION_READY, &tgt->flags))
return -EINVAL;
lport = tgt->rdata->local_port;
sid = tgt->sid;
r_a_tov = lport->r_a_tov;
BNX2FC_ELS_DBG("Sending RRQ orig_xid = 0x%x\n",
aborted_io_req->xid);
memset(&rrq, 0, sizeof(rrq));