[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 <serue@us.ibm.com>
Cc: Kirill Korotaev <dev@openvz.org>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Herbert Poetzl <herbert@13thfloor.at>
Cc: Andrey Savochkin <saw@sw.ru>
Signed-off-by: Cedric Le Goater <clg@fr.ibm.com>
Cc: Jeff Dike <jdike@addtoit.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Serge E. Hallyn
2006-10-02 02:18:11 -07:00
gecommit door Linus Torvalds
bovenliggende 0bdd7aab7f
commit e9ff3990f0
35 gewijzigde bestanden met toevoegingen van 180 en 160 verwijderingen

Bestand weergeven

@@ -260,7 +260,7 @@ long ppc_newuname(struct new_utsname __user * name)
int err = 0;
down_read(&uts_sem);
if (copy_to_user(name, &system_utsname, sizeof(*name)))
if (copy_to_user(name, utsname(), sizeof(*name)))
err = -EFAULT;
up_read(&uts_sem);
if (!err)
@@ -273,7 +273,7 @@ int sys_uname(struct old_utsname __user *name)
int err = 0;
down_read(&uts_sem);
if (copy_to_user(name, &system_utsname, sizeof(*name)))
if (copy_to_user(name, utsname(), sizeof(*name)))
err = -EFAULT;
up_read(&uts_sem);
if (!err)
@@ -289,19 +289,19 @@ int sys_olduname(struct oldold_utsname __user *name)
return -EFAULT;
down_read(&uts_sem);
error = __copy_to_user(&name->sysname, &system_utsname.sysname,
error = __copy_to_user(&name->sysname, &utsname()->sysname,
__OLD_UTS_LEN);
error |= __put_user(0, name->sysname + __OLD_UTS_LEN);
error |= __copy_to_user(&name->nodename, &system_utsname.nodename,
error |= __copy_to_user(&name->nodename, &utsname()->nodename,
__OLD_UTS_LEN);
error |= __put_user(0, name->nodename + __OLD_UTS_LEN);
error |= __copy_to_user(&name->release, &system_utsname.release,
error |= __copy_to_user(&name->release, &utsname()->release,
__OLD_UTS_LEN);
error |= __put_user(0, name->release + __OLD_UTS_LEN);
error |= __copy_to_user(&name->version, &system_utsname.version,
error |= __copy_to_user(&name->version, &utsname()->version,
__OLD_UTS_LEN);
error |= __put_user(0, name->version + __OLD_UTS_LEN);
error |= __copy_to_user(&name->machine, &system_utsname.machine,
error |= __copy_to_user(&name->machine, &utsname()->machine,
__OLD_UTS_LEN);
error |= override_machine(name->machine);
up_read(&uts_sem);