Merge branch 'core-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...

[linux-2.6] / fs / proc / array.c

diff --git a/fs/proc/array.c b/fs/proc/array.c
index 9e3b8c33c24b65c496f815658895dd4d2afd9c00..0d6eb33597c6627f24586407f7e0a820454b3612 100644 (file)
--- a/fs/proc/array.c
+++ b/fs/proc/array.c
@@ -80,6 +80,7 @@
 #include <linux/delayacct.h>
 #include <linux/seq_file.h>
 #include <linux/pid_namespace.h>
+#include <linux/tracehook.h>
 
 #include <asm/pgtable.h>
 #include <asm/processor.h>
@@ -168,8 +169,12 @@ static inline void task_state(struct seq_file *m, struct pid_namespace *ns,
        rcu_read_lock();
        ppid = pid_alive(p) ?
                task_tgid_nr_ns(rcu_dereference(p->real_parent), ns) : 0;
-       tpid = pid_alive(p) && p->ptrace ?
-               task_pid_nr_ns(rcu_dereference(p->parent), ns) : 0;
+       tpid = 0;
+       if (pid_alive(p)) {
+               struct task_struct *tracer = tracehook_tracer_task(p);
+               if (tracer)
+                       tpid = task_pid_nr_ns(tracer, ns);
+       }
        seq_printf(m,
                "State:\t%s\n"
                "Tgid:\t%d\n"
@@ -288,7 +293,7 @@ static void render_cap_t(struct seq_file *m, const char *header,
        seq_printf(m, "%s", header);
        CAP_FOR_EACH_U32(__capi) {
                seq_printf(m, "%08x",
-                          a->cap[(_LINUX_CAPABILITY_U32S-1) - __capi]);
+                          a->cap[(_KERNEL_CAPABILITY_U32S-1) - __capi]);
        }
        seq_printf(m, "\n");
 }