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-rw-r--r--fs/exec.c12
1 files changed, 2 insertions, 10 deletions
diff --git a/fs/exec.c b/fs/exec.c
index ce62f7b65f17..c21a8cc06277 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -780,18 +780,11 @@ static int de_thread(struct task_struct *tsk)
780 int count; 780 int count;
781 781
782 /* 782 /*
783 * Tell all the sighand listeners that this sighand has
784 * been detached. The signalfd_detach() function grabs the
785 * sighand lock, if signal listeners are present on the sighand.
786 */
787 signalfd_detach(tsk);
788
789 /*
790 * If we don't share sighandlers, then we aren't sharing anything 783 * If we don't share sighandlers, then we aren't sharing anything
791 * and we can just re-use it all. 784 * and we can just re-use it all.
792 */ 785 */
793 if (atomic_read(&oldsighand->count) <= 1) { 786 if (atomic_read(&oldsighand->count) <= 1) {
794 BUG_ON(atomic_read(&sig->count) != 1); 787 signalfd_detach(tsk);
795 exit_itimers(sig); 788 exit_itimers(sig);
796 return 0; 789 return 0;
797 } 790 }
@@ -930,12 +923,11 @@ static int de_thread(struct task_struct *tsk)
930 sig->flags = 0; 923 sig->flags = 0;
931 924
932no_thread_group: 925no_thread_group:
926 signalfd_detach(tsk);
933 exit_itimers(sig); 927 exit_itimers(sig);
934 if (leader) 928 if (leader)
935 release_task(leader); 929 release_task(leader);
936 930
937 BUG_ON(atomic_read(&sig->count) != 1);
938
939 if (atomic_read(&oldsighand->count) == 1) { 931 if (atomic_read(&oldsighand->count) == 1) {
940 /* 932 /*
941 * Now that we nuked the rest of the thread group, 933 * Now that we nuked the rest of the thread group,