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Subject[PATCH 29/39] thunderbolt: drop null test before destroy functions
Date
Remove unneeded NULL test.

The semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@@ expression x; @@
-if (x != NULL)
\(kmem_cache_destroy\|mempool_destroy\|dma_pool_destroy\)(x);
// </smpl>

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>

---
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 799634b..163b283 100644
--- a/drivers/thunderbolt/ctl.c
+++ b/drivers/thunderbolt/ctl.c
@@ -530,8 +530,7 @@ 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);
}



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