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-rw-r--r--kernel/fork.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/kernel/fork.c b/kernel/fork.c
index 083bf8953ce..49530e40ea8 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -1422,12 +1422,15 @@ long do_fork(unsigned long clone_flags,
#define ARCH_MIN_MMSTRUCT_ALIGN 0
#endif
-static void sighand_ctor(void *data, struct kmem_cache *cachep, unsigned long flags)
+static void sighand_ctor(void *data, struct kmem_cache *cachep,
+ unsigned long flags)
{
struct sighand_struct *sighand = data;
- if (flags & SLAB_CTOR_CONSTRUCTOR)
+ if (flags & SLAB_CTOR_CONSTRUCTOR) {
spin_lock_init(&sighand->siglock);
+ INIT_LIST_HEAD(&sighand->signalfd_list);
+ }
}
void __init proc_caches_init(void)
@@ -1453,7 +1456,6 @@ void __init proc_caches_init(void)
SLAB_HWCACHE_ALIGN|SLAB_PANIC, NULL, NULL);
}
-
/*
* Check constraints on flags passed to the unshare system call and
* force unsharing of additional process context as appropriate.