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[PATCH 03/39] firmware: google: drop null test before destroy functions

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  [PATCH 03/39] firmware: google: drop null test before destroy functions Julia Lawall <Julia.Lawall@lip6.fr> - 2015-09-13 14:40 +0200

#1223647 — [PATCH 03/39] firmware: google: drop null test before destroy functions

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/firmware/google/gsmi.c |    3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/firmware/google/gsmi.c b/drivers/firmware/google/gsmi.c
index f1ab05e..c463871 100644
--- a/drivers/firmware/google/gsmi.c
+++ b/drivers/firmware/google/gsmi.c
@@ -910,8 +910,7 @@ out_err:
 	gsmi_buf_free(gsmi_dev.param_buf);
 	gsmi_buf_free(gsmi_dev.data_buf);
 	gsmi_buf_free(gsmi_dev.name_buf);
-	if (gsmi_dev.dma_pool)
-		dma_pool_destroy(gsmi_dev.dma_pool);
+	dma_pool_destroy(gsmi_dev.dma_pool);
 	platform_device_unregister(gsmi_dev.pdev);
 	pr_info("gsmi: failed to load: %d\n", ret);
 	return ret;

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