Module Name: src
Committed By: riastradh
Date: Sat Mar 12 21:15:25 UTC 2022
Modified Files:
src/sys/dev/usb: ustir.c
Log Message:
ustir(4): Avoid undefined behaviour if register read fails.
To generate a diff of this commit:
cvs rdiff -u -r1.50 -r1.51 src/sys/dev/usb/ustir.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/usb/ustir.c
diff -u src/sys/dev/usb/ustir.c:1.50 src/sys/dev/usb/ustir.c:1.51
--- src/sys/dev/usb/ustir.c:1.50 Sun Sep 26 01:16:09 2021
+++ src/sys/dev/usb/ustir.c Sat Mar 12 21:15:25 2022
@@ -1,4 +1,4 @@
-/* $NetBSD: ustir.c,v 1.50 2021/09/26 01:16:09 thorpej Exp $ */
+/* $NetBSD: ustir.c,v 1.51 2022/03/12 21:15:25 riastradh Exp $ */
/*
* Copyright (c) 2001 The NetBSD Foundation, Inc.
@@ -30,7 +30,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: ustir.c,v 1.50 2021/09/26 01:16:09 thorpej Exp $");
+__KERNEL_RCSID(0, "$NetBSD: ustir.c,v 1.51 2022/03/12 21:15:25 riastradh Exp $");
#ifdef _KERNEL_OPT
#include "opt_usb.h"
@@ -1144,7 +1144,7 @@ Static int ustir_ioctl(void *h, u_long c
int error;
unsigned int regnum;
usbd_status err;
- uint8_t regdata;
+ uint8_t regdata = 0;
if (sc->sc_dying)
return EIO;
