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Subject[PATCH] 2.5.10 BKL not always released in sem_exit()
Hi Linus,

The patch below fixes sem_exit() so that the BKL is always released.

thanks,
-chris

===== ipc/sem.c 1.5 vs edited =====
--- 1.5/ipc/sem.c Tue Apr 23 17:15:25 2002
+++ edited/ipc/sem.c Thu Apr 25 20:01:02 2002
@@ -1176,8 +1176,10 @@
}

undo_list = current->sysvsem.undo_list;
- if ((undo_list == NULL) || (atomic_read(&undo_list->refcnt) != 1))
+ if ((undo_list == NULL) || (atomic_read(&undo_list->refcnt) != 1)) {
+ unlock_kernel();
return;
+ }

/* There's no need to hold the semundo list lock, as current
* is the last task exiting for this undo list.
-
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