Messages in this thread Patch in this message | | | From | Geliang Tang <> | Subject | [PATCH] staging: lustre: osc: use rb_entry_safe | Date | Tue, 20 Dec 2016 21:56:55 +0800 |
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Use rb_entry_safe() instead of container_of() to simplify the code.
Signed-off-by: Geliang Tang <geliangtang@gmail.com> --- drivers/staging/lustre/lustre/osc/osc_cache.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-)
diff --git a/drivers/staging/lustre/lustre/osc/osc_cache.c b/drivers/staging/lustre/lustre/osc/osc_cache.c index b0f030c..6048df9 100644 --- a/drivers/staging/lustre/lustre/osc/osc_cache.c +++ b/drivers/staging/lustre/lustre/osc/osc_cache.c @@ -142,10 +142,7 @@ static const char *oes_strings[] = { static inline struct osc_extent *rb_extent(struct rb_node *n) { - if (!n) - return NULL; - - return container_of(n, struct osc_extent, oe_node); + return rb_entry_safe(n, struct osc_extent, oe_node); } static inline struct osc_extent *next_extent(struct osc_extent *ext) -- 2.9.3
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