Module Name: src Committed By: pgoyette Date: Wed May 17 04:33:03 UTC 2017
Modified Files: src/sys/kern [prg-localcount2]: subr_devsw.c Log Message: Allow the argument to {b,c}devsw_release() to be NULL, and treat it as a No-Op To generate a diff of this commit: cvs rdiff -u -r1.37.2.3 -r1.37.2.4 src/sys/kern/subr_devsw.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/kern/subr_devsw.c diff -u src/sys/kern/subr_devsw.c:1.37.2.3 src/sys/kern/subr_devsw.c:1.37.2.4 --- src/sys/kern/subr_devsw.c:1.37.2.3 Fri Apr 28 03:41:26 2017 +++ src/sys/kern/subr_devsw.c Wed May 17 04:33:03 2017 @@ -1,4 +1,4 @@ -/* $NetBSD: subr_devsw.c,v 1.37.2.3 2017/04/28 03:41:26 pgoyette Exp $ */ +/* $NetBSD: subr_devsw.c,v 1.37.2.4 2017/05/17 04:33:03 pgoyette Exp $ */ /*- * Copyright (c) 2001, 2002, 2007, 2008 The NetBSD Foundation, Inc. @@ -69,7 +69,7 @@ */ #include <sys/cdefs.h> -__KERNEL_RCSID(0, "$NetBSD: subr_devsw.c,v 1.37.2.3 2017/04/28 03:41:26 pgoyette Exp $"); +__KERNEL_RCSID(0, "$NetBSD: subr_devsw.c,v 1.37.2.4 2017/05/17 04:33:03 pgoyette Exp $"); #ifdef _KERNEL_OPT #include "opt_dtrace.h" @@ -505,8 +505,7 @@ void bdevsw_release(const struct bdevsw *bd) { - KASSERT(bd != NULL); - if (bd->d_localcount != NULL) + if (bd != NULL && bd->d_localcount != NULL) localcount_release(bd->d_localcount, &device_cv, &device_lock); } @@ -569,8 +568,7 @@ void cdevsw_release(const struct cdevsw *cd) { - KASSERT(cd != NULL); - if (cd->d_localcount != NULL) + if (cd != NULL && cd->d_localcount != NULL) localcount_release(cd->d_localcount, &device_cv, &device_lock); }