From e9ff3990f08e9a0c2839cc22808b01732ea5b3e4 Mon Sep 17 00:00:00 2001 From: "Serge E. Hallyn" Date: Mon, 2 Oct 2006 02:18:11 -0700 Subject: [PATCH] namespaces: utsname: switch to using uts namespaces Replace references to system_utsname to the per-process uts namespace where appropriate. This includes things like uname. Changes: Per Eric Biederman's comments, use the per-process uts namespace for ELF_PLATFORM, sunrpc, and parts of net/ipv4/ipconfig.c [jdike@addtoit.com: UML fix] [clg@fr.ibm.com: cleanup] [akpm@osdl.org: build fix] Signed-off-by: Serge E. Hallyn Cc: Kirill Korotaev Cc: "Eric W. Biederman" Cc: Herbert Poetzl Cc: Andrey Savochkin Signed-off-by: Cedric Le Goater Cc: Jeff Dike Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- arch/sparc/kernel/sys_sparc.c | 4 ++-- arch/sparc/kernel/sys_sunos.c | 15 ++++++++++----- 2 files changed, 12 insertions(+), 7 deletions(-) (limited to 'arch/sparc') diff --git a/arch/sparc/kernel/sys_sparc.c b/arch/sparc/kernel/sys_sparc.c index 896863fb208..002ab4dbe5c 100644 --- a/arch/sparc/kernel/sys_sparc.c +++ b/arch/sparc/kernel/sys_sparc.c @@ -475,13 +475,13 @@ asmlinkage int sys_getdomainname(char __user *name, int len) down_read(&uts_sem); - nlen = strlen(system_utsname.domainname) + 1; + nlen = strlen(utsname()->domainname) + 1; err = -EINVAL; if (nlen > len) goto out; err = -EFAULT; - if (!copy_to_user(name, system_utsname.domainname, nlen)) + if (!copy_to_user(name, utsname()->domainname, nlen)) err = 0; out: diff --git a/arch/sparc/kernel/sys_sunos.c b/arch/sparc/kernel/sys_sunos.c index aa0fb2efb61..9d2cd97d1c3 100644 --- a/arch/sparc/kernel/sys_sunos.c +++ b/arch/sparc/kernel/sys_sunos.c @@ -483,13 +483,18 @@ asmlinkage int sunos_uname(struct sunos_utsname __user *name) { int ret; down_read(&uts_sem); - ret = copy_to_user(&name->sname[0], &system_utsname.sysname[0], sizeof(name->sname) - 1); + ret = copy_to_user(&name->sname[0], &utsname()->sysname[0], + sizeof(name->sname) - 1); if (!ret) { - ret |= __copy_to_user(&name->nname[0], &system_utsname.nodename[0], sizeof(name->nname) - 1); + ret |= __copy_to_user(&name->nname[0], &utsname()->nodename[0], + sizeof(name->nname) - 1); ret |= __put_user('\0', &name->nname[8]); - ret |= __copy_to_user(&name->rel[0], &system_utsname.release[0], sizeof(name->rel) - 1); - ret |= __copy_to_user(&name->ver[0], &system_utsname.version[0], sizeof(name->ver) - 1); - ret |= __copy_to_user(&name->mach[0], &system_utsname.machine[0], sizeof(name->mach) - 1); + ret |= __copy_to_user(&name->rel[0], &utsname()->release[0], + sizeof(name->rel) - 1); + ret |= __copy_to_user(&name->ver[0], &utsname()->version[0], + sizeof(name->ver) - 1); + ret |= __copy_to_user(&name->mach[0], &utsname()->machine[0], + sizeof(name->mach) - 1); } up_read(&uts_sem); return ret ? -EFAULT : 0; -- cgit v1.2.3