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Commit c4b5ed25 authored by Namhyung Kim's avatar Namhyung Kim Committed by Linus Torvalds
Browse files

ptrace: annotate lock context change on exit_ptrace() 



exit_ptrace() releases and regrabs tasklist_lock but was missing proper
annotation.  Add it.

Signed-off-by: default avatarNamhyung Kim <namhyung@gmail.com>
Acked-by: default avatarRoland McGrath <roland@redhat.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Oleg Nesterov <oleg@redhat.com
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 26174efd

kernel/ptrace.c

+2 −0
Original line number Original line Diff line number Diff line
@@ -329,6 +329,8 @@ int ptrace_detach(struct task_struct *child, unsigned int data) 
 * and reacquire the lock.

 * and reacquire the lock.

 */

 */

void exit_ptrace(struct task_struct *tracer)

void exit_ptrace(struct task_struct *tracer)

	__releases(&tasklist_lock)

	__acquires(&tasklist_lock)

{

{

	struct task_struct *p, *n;

	struct task_struct *p, *n;

	LIST_HEAD(ptrace_dead);

	LIST_HEAD(ptrace_dead);