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Diffstat (limited to 'kernel/fork.c')
-rw-r--r--kernel/fork.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/kernel/fork.c b/kernel/fork.c
index 0aff28cdbad..12cdd9fc9d0 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -803,6 +803,16 @@ static inline int copy_sighand(unsigned long clone_flags, struct task_struct * t
return 0;
}
+void cleanup_sighand(struct task_struct *tsk)
+{
+ struct sighand_struct * sighand = tsk->sighand;
+
+ /* Ok, we're done with the signal handlers */
+ tsk->sighand = NULL;
+ if (atomic_dec_and_test(&sighand->count))
+ kmem_cache_free(sighand_cachep, sighand);
+}
+
static inline int copy_signal(unsigned long clone_flags, struct task_struct * tsk)
{
struct signal_struct *sig;
@@ -1224,7 +1234,7 @@ bad_fork_cleanup_mm:
bad_fork_cleanup_signal:
cleanup_signal(p);
bad_fork_cleanup_sighand:
- __exit_sighand(p);
+ cleanup_sighand(p);
bad_fork_cleanup_fs:
exit_fs(p); /* blocking */
bad_fork_cleanup_files: