proc: seqfile convert proc_pid_status to properly handle pid namespaces

Currently we possibly lookup the pid in the wrong pid namespace.  So
seq_file convert proc_pid_status which ensures the proper pid namespaces is
passed in.

[akpm@linux-foundation.org: coding-style fixes]
[akpm@linux-foundation.org: build fix]
[akpm@linux-foundation.org: another build fix]
[akpm@linux-foundation.org: s390 build fix]
[akpm@linux-foundation.org: fix task_name() output]
[akpm@linux-foundation.org: fix nommu build]
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Cc: Andrew Morgan <morgan@kernel.org>
Cc: Serge Hallyn <serue@us.ibm.com>
Cc: Cedric Le Goater <clg@fr.ibm.com>
Cc: Pavel Emelyanov <xemul@openvz.org>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Paul Menage <menage@google.com>
Cc: Paul Jackson <pj@sgi.com>
Cc: David Rientjes <rientjes@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 2 insertions, 2 deletions

diff --git a/fs/proc/base.c b/fs/proc/base.c
index 9c3e548a6754..8a19a8a1a3e6 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -2274,7 +2274,7 @@ static const struct pid_entry tgid_base_stuff[] = {
         DIR("fdinfo",     S_IRUSR|S_IXUSR, fdinfo),
         REG("environ",    S_IRUSR, environ),
         INF("auxv",       S_IRUSR, pid_auxv),
-        INF("status",     S_IRUGO, pid_status),
+        ONE("status",     S_IRUGO, pid_status),
         INF("limits",     S_IRUSR, pid_limits),
 #ifdef CONFIG_SCHED_DEBUG
         REG("sched",      S_IRUGO|S_IWUSR, pid_sched),
@@ -2605,7 +2605,7 @@ static const struct pid_entry tid_base_stuff[] = {
         DIR("fdinfo",    S_IRUSR|S_IXUSR, fdinfo),
         REG("environ",   S_IRUSR, environ),
         INF("auxv",      S_IRUSR, pid_auxv),
-        INF("status",    S_IRUGO, pid_status),
+        ONE("status",    S_IRUGO, pid_status),
         INF("limits",    S_IRUSR, pid_limits),
 #ifdef CONFIG_SCHED_DEBUG
         REG("sched",     S_IRUGO|S_IWUSR, pid_sched),