Module Name:    src
Committed By:   riastradh
Date:           Tue Apr 11 08:50:07 UTC 2023

Modified Files:
        src/sys/dev/usb: usb_subr.c

Log Message:
usb(9): Assert ud_ifaces is null before we clobber it.


To generate a diff of this commit:
cvs rdiff -u -r1.277 -r1.278 src/sys/dev/usb/usb_subr.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/usb_subr.c
diff -u src/sys/dev/usb/usb_subr.c:1.277 src/sys/dev/usb/usb_subr.c:1.278
--- src/sys/dev/usb/usb_subr.c:1.277	Wed Apr  6 22:01:45 2022
+++ src/sys/dev/usb/usb_subr.c	Tue Apr 11 08:50:07 2023
@@ -1,4 +1,4 @@
-/*	$NetBSD: usb_subr.c,v 1.277 2022/04/06 22:01:45 mlelstv Exp $	*/
+/*	$NetBSD: usb_subr.c,v 1.278 2023/04/11 08:50:07 riastradh Exp $	*/
 /*	$FreeBSD: src/sys/dev/usb/usb_subr.c,v 1.18 1999/11/17 22:33:47 n_hibma Exp $	*/
 
 /*
@@ -32,7 +32,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: usb_subr.c,v 1.277 2022/04/06 22:01:45 mlelstv Exp $");
+__KERNEL_RCSID(0, "$NetBSD: usb_subr.c,v 1.278 2023/04/11 08:50:07 riastradh Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_compat_netbsd.h"
@@ -867,6 +867,8 @@ usbd_set_config_index(struct usbd_device
 		goto bad;
 	}
 
+	KASSERTMSG(dev->ud_ifaces == NULL, "ud_ifaces=%p", dev->ud_ifaces);
+
 	/* Allocate and fill interface data. */
 	nifc = cdp->bNumInterface;
 	if (nifc == 0) {

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