[SCSI] zfcp: Use correct length for FCP_RSP_INFO

Use the FCP_RSP_INFO length to correctly skip the FCP_RSP_INFO field.

Reviewed-by: Swen Schillig <swen@vnet.ibm.com>
Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
diff --git a/drivers/s390/scsi/zfcp_fc.h b/drivers/s390/scsi/zfcp_fc.h
index 938d503..b464ae0 100644
--- a/drivers/s390/scsi/zfcp_fc.h
+++ b/drivers/s390/scsi/zfcp_fc.h
@@ -270,7 +270,7 @@
 	if (unlikely(rsp_flags & FCP_SNS_LEN_VAL)) {
 		sense = (char *) &fcp_rsp[1];
 		if (rsp_flags & FCP_RSP_LEN_VAL)
-			sense += fcp_rsp->ext.fr_sns_len;
+			sense += fcp_rsp->ext.fr_rsp_len;
 		sense_len = min(fcp_rsp->ext.fr_sns_len,
 				(u32) SCSI_SENSE_BUFFERSIZE);
 		memcpy(scsi->sense_buffer, sense, sense_len);