[PATCH] thunderbolt: remove a meaningless null pointer check before dma_pool_destroy

[zhong jiang]

dma_pool_destroy has taken the null pointer into account. so just
remove the null pointer check.

Signed-off-by: zhong jiang <zhongji...@huawei.com>
---
 drivers/thunderbolt/ctl.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/thunderbolt/ctl.c b/drivers/thunderbolt/ctl.c
index 37a7f4c..e54e84e 100644
--- a/drivers/thunderbolt/ctl.c
+++ b/drivers/thunderbolt/ctl.c
@@ -662,8 +662,7 @@ void tb_ctl_free(struct tb_ctl *ctl)
                tb_ctl_pkg_free(ctl->rx_packets[i]);
 
 
-       if (ctl->frame_pool)
-               dma_pool_destroy(ctl->frame_pool);
+       dma_pool_destroy(ctl->frame_pool);
        kfree(ctl);
 }
 
-- 
1.7.12.4