--- Gnu-Mach/linux/src/drivers/scsi/AM53C974.c	2020/09/02 04:46:30	1.1.1.2
+++ Gnu-Mach/linux/src/drivers/scsi/AM53C974.c	2020/09/02 04:49:00	1.1.1.3
@@ -1919,7 +1919,7 @@ if ((statreg & STATREG_PHASE) != PHASE_M
    goto EXIT_ABORT; }
 
 msg[0] = AM53C974_read_8(FFREG);
-if (!msg[0] & 0x80) {
+if (!(msg[0] & 0x80)) {
    printk("scsi%d: error: expecting IDENTIFY message, got ", instance->host_no);
    print_msg(msg);
    hostdata->aborted = 1;