Commit 0ea9314f authored by manish.rangankar@cavium.com's avatar manish.rangankar@cavium.com Committed by Martin K. Petersen

scsi: qedi: Fix endpoint NULL panic in qedi_set_path.

RIP: 0010:qedi_set_path+0x114/0x570 [qedi]
 Call Trace:
  [<ffffffffa0472923>] iscsi_if_recv_msg+0x623/0x14a0
  [<ffffffff81307de6>] ? rhashtable_lookup_compare+0x36/0x70
  [<ffffffffa047382e>] iscsi_if_rx+0x8e/0x1f0
  [<ffffffff8155983d>] netlink_unicast+0xed/0x1b0
  [<ffffffff81559c30>] netlink_sendmsg+0x330/0x770
  [<ffffffff81510d60>] sock_sendmsg+0xb0/0xf0
  [<ffffffff8101360b>] ? __switch_to+0x17b/0x4b0
  [<ffffffff8163a2c8>] ? __schedule+0x2d8/0x900
  [<ffffffff81511199>] ___sys_sendmsg+0x3a9/0x3c0
  [<ffffffff810e2298>] ? get_futex_key+0x1c8/0x2b0
  [<ffffffff810e25a0>] ? futex_wake+0x80/0x160
Signed-off-by: default avatarManish Rangankar <manish.rangankar@cavium.com>
Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
parent d0788a52
...@@ -1224,8 +1224,12 @@ static int qedi_set_path(struct Scsi_Host *shost, struct iscsi_path *path_data) ...@@ -1224,8 +1224,12 @@ static int qedi_set_path(struct Scsi_Host *shost, struct iscsi_path *path_data)
iscsi_cid = (u32)path_data->handle; iscsi_cid = (u32)path_data->handle;
qedi_ep = qedi->ep_tbl[iscsi_cid]; qedi_ep = qedi->ep_tbl[iscsi_cid];
QEDI_INFO(&qedi->dbg_ctx, QEDI_LOG_CONN, QEDI_INFO(&qedi->dbg_ctx, QEDI_LOG_INFO,
"iscsi_cid=0x%x, qedi_ep=%p\n", iscsi_cid, qedi_ep); "iscsi_cid=0x%x, qedi_ep=%p\n", iscsi_cid, qedi_ep);
if (!qedi_ep) {
ret = -EINVAL;
goto set_path_exit;
}
if (!is_valid_ether_addr(&path_data->mac_addr[0])) { if (!is_valid_ether_addr(&path_data->mac_addr[0])) {
QEDI_NOTICE(&qedi->dbg_ctx, "dst mac NOT VALID\n"); QEDI_NOTICE(&qedi->dbg_ctx, "dst mac NOT VALID\n");
......
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