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Subject[PATCH 11/12] pid: rewrite task helper functions avoiding task->pid and task->tgid
Date
This stops these four task helper functions from using the deprecated and
error-prone task->pid and task->tgid.

(informed by ebiederman's ea5a4d01)
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: Richard Guy Briggs <rgb@redhat.com>
---
include/linux/sched.h | 8 ++++----
1 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/include/linux/sched.h b/include/linux/sched.h
index 8e69807..46e739d 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1579,7 +1579,7 @@ static inline int pid_alive(struct task_struct *p)
*/
static inline int is_global_init(struct task_struct *tsk)
{
- return tsk->pid == 1;
+ return task_pid_nr(tsk) == 1;
}

extern struct pid *cad_pid;
@@ -1930,7 +1930,7 @@ extern struct task_struct *idle_task(int cpu);
*/
static inline bool is_idle_task(const struct task_struct *p)
{
- return p->pid == 0;
+ return task_pid(p) == &init_struct_pid;
}
extern struct task_struct *curr_task(int cpu);
extern void set_curr_task(int cpu, struct task_struct *p);
@@ -2203,13 +2203,13 @@ static inline bool thread_group_leader(struct task_struct *p)
*/
static inline int has_group_leader_pid(struct task_struct *p)
{
- return p->pid == p->tgid;
+ return task_pid(p) == task_tgid(p);
}

static inline
int same_thread_group(struct task_struct *p1, struct task_struct *p2)
{
- return p1->tgid == p2->tgid;
+ return task_tgid(p1) == task_tgid(p2);
}

static inline struct task_struct *next_thread(const struct task_struct *p)
--
1.7.1


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