Messages in this thread Patch in this message | | | From | Geliang Tang <> | Subject | [PATCH] mm/vmalloc.c: use rb_entry_safe | Date | Tue, 20 Dec 2016 21:57:43 +0800 |
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Use rb_entry_safe() instead of open-coding it.
Signed-off-by: Geliang Tang <geliangtang@gmail.com> --- mm/vmalloc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/mm/vmalloc.c b/mm/vmalloc.c index a558438..b9999fc 100644 --- a/mm/vmalloc.c +++ b/mm/vmalloc.c @@ -2309,7 +2309,7 @@ EXPORT_SYMBOL_GPL(free_vm_area); #ifdef CONFIG_SMP static struct vmap_area *node_to_va(struct rb_node *n) { - return n ? rb_entry(n, struct vmap_area, rb_node) : NULL; + return rb_entry_safe(n, struct vmap_area, rb_node); } /** -- 2.9.3
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