scsi: libfc: check fc_frame_payload_get() return value for null (aad1271a) · Commits · 戴 / test

We should not assume the payload of a PRLI or PLOGI respons is always present. Signed-off-by:

drivers/scsi/libfc/fc_rport.c

+10 −4

Original line number	Diff line number	Diff line
		@@ -1038,6 +1038,9 @@ static void fc_rport_plogi_resp(struct fc_seq sp, struct fc_frame fp,
		struct fc_els_ls_rjt *rjt;

		rjt = fc_frame_payload_get(fp, sizeof(*rjt));
		if (!rjt)
		FC_RPORT_DBG(rdata, "PLOGI bad response\n");
		else
		FC_RPORT_DBG(rdata, "PLOGI ELS rejected, reason %x expl %x\n",
		rjt->er_reason, rjt->er_explan);
		fc_rport_error_retry(rdata, -FC_EX_ELS_RJT);
		@@ -1211,6 +1214,9 @@ static void fc_rport_prli_resp(struct fc_seq sp, struct fc_frame fp,

		} else {
		rjt = fc_frame_payload_get(fp, sizeof(*rjt));
		if (!rjt)
		FC_RPORT_DBG(rdata, "PRLI bad response\n");
		else
		FC_RPORT_DBG(rdata, "PRLI ELS rejected, reason %x expl %x\n",
		rjt->er_reason, rjt->er_explan);
		fc_rport_error_retry(rdata, FC_EX_ELS_RJT);