Date: Mon, 11 Nov 2019 14:49:46 +0000 (UTC) From: Hans Petter Selasky <hselasky@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-11@freebsd.org Subject: svn commit: r354610 - stable/11/sys/net Message-ID: <201911111449.xABEnkhi098455@repo.freebsd.org>
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Author: hselasky Date: Mon Nov 11 14:49:45 2019 New Revision: 354610 URL: https://svnweb.freebsd.org/changeset/base/354610 Log: MFC r353275: Compile time assert a valid subsystem for all VNET init and uninit functions. Using VNET init and uninit functions outside the given range has undefined behaviour. Sponsored by: Mellanox Technologies Modified: stable/11/sys/net/vnet.h Directory Properties: stable/11/ (props changed) Modified: stable/11/sys/net/vnet.h ============================================================================== --- stable/11/sys/net/vnet.h Mon Nov 11 14:41:05 2019 (r354609) +++ stable/11/sys/net/vnet.h Mon Nov 11 14:49:45 2019 (r354610) @@ -308,6 +308,8 @@ struct vnet_sysinit { }; #define VNET_SYSINIT(ident, subsystem, order, func, arg) \ + CTASSERT((subsystem) > SI_SUB_VNET && \ + (subsystem) <= SI_SUB_VNET_DONE); \ static struct vnet_sysinit ident ## _vnet_init = { \ subsystem, \ order, \ @@ -320,6 +322,8 @@ struct vnet_sysinit { vnet_deregister_sysinit, &ident ## _vnet_init) #define VNET_SYSUNINIT(ident, subsystem, order, func, arg) \ + CTASSERT((subsystem) > SI_SUB_VNET && \ + (subsystem) <= SI_SUB_VNET_DONE); \ static struct vnet_sysinit ident ## _vnet_uninit = { \ subsystem, \ order, \
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