[PATCH] bfa: Fix possible NULL pointer dereference & magic no

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Check for (port == NULL) has to be done before accessing port.
Also fixes the magic number.

Signed-off-by: Syam Sidhardhan <s.syam@xxxxxxxxxxx>
---
 drivers/scsi/bfa/bfa_fcs_lport.c |    6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/scsi/bfa/bfa_fcs_lport.c b/drivers/scsi/bfa/bfa_fcs_lport.c
index 1224d04..69cf977 100644
--- a/drivers/scsi/bfa/bfa_fcs_lport.c
+++ b/drivers/scsi/bfa/bfa_fcs_lport.c
@@ -5615,11 +5615,13 @@ bfa_fcs_lport_get_rport_max_speed(bfa_fcs_lport_t *port)
 	bfa_port_speed_t max_speed = 0;
 	struct bfa_port_attr_s port_attr;
 	bfa_port_speed_t port_speed, rport_speed;
-	bfa_boolean_t trl_enabled = bfa_fcport_is_ratelim(port->fcs->bfa);
+	bfa_boolean_t trl_enabled;
 
 
 	if (port == NULL)
-		return 0;
+		return BFA_PORT_SPEED_UNKNOWN;
+
+	trl_enabled = bfa_fcport_is_ratelim(port->fcs->bfa);
 
 	fcs = port->fcs;
 
-- 
1.7.9.5

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