Module Name: src
Committed By: thorpej
Date: Wed May 9 02:46:22 UTC 2018
Modified Files:
src/sys/dev/i2c: ibmhawk.c
Log Message:
The probe this driver uses is potentially destructive; at the very
least, filter on the I2C address the device is expected at before we
unleash its fury.
To generate a diff of this commit:
cvs rdiff -u -r1.4 -r1.5 src/sys/dev/i2c/ibmhawk.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/dev/i2c/ibmhawk.c
diff -u src/sys/dev/i2c/ibmhawk.c:1.4 src/sys/dev/i2c/ibmhawk.c:1.5
--- src/sys/dev/i2c/ibmhawk.c:1.4 Thu Jul 14 04:01:32 2016
+++ src/sys/dev/i2c/ibmhawk.c Wed May 9 02:46:22 2018
@@ -1,4 +1,4 @@
-/* $NetBSD: ibmhawk.c,v 1.4 2016/07/14 04:01:32 msaitoh Exp $ */
+/* $NetBSD: ibmhawk.c,v 1.5 2018/05/09 02:46:22 thorpej Exp $ */
/*-
* Copyright (c) 2011 The NetBSD Foundation, Inc.
@@ -99,6 +99,12 @@ ibmhawk_match(device_t parent, cfdata_t
ibmhawk_response_t resp;
static struct ibmhawk_softc sc;
+ /* There is an expected address for this device: */
+ if (ia->ia_addr != 0x37)
+ return 0;
+
+ /* XXX Probe is potentially destructive. */
+
sc.sc_tag = ia->ia_tag;
sc.sc_addr = ia->ia_addr;
if (ibmhawk_request(&sc, IHR_EQUIP, &resp))
