USB-EHCI: Delete unnecessary checks before the function call "dma_pool_destroy"
The dma_pool_destroy() function tests whether its argument is NULL
and then returns immediately. Thus the test around the calls is not needed.
This issue was detected by using the Coccinelle software.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/usb/host/ehci-mem.c b/drivers/usb/host/ehci-mem.c
index b6205fa..4de4301 100644
--- a/drivers/usb/host/ehci-mem.c
+++ b/drivers/usb/host/ehci-mem.c
@@ -128,21 +128,13 @@
ehci->dummy = NULL;
/* DMA consistent memory and pools */
- if (ehci->qtd_pool)
- dma_pool_destroy (ehci->qtd_pool);
+ dma_pool_destroy(ehci->qtd_pool);
ehci->qtd_pool = NULL;
-
- if (ehci->qh_pool) {
- dma_pool_destroy (ehci->qh_pool);
- ehci->qh_pool = NULL;
- }
-
- if (ehci->itd_pool)
- dma_pool_destroy (ehci->itd_pool);
+ dma_pool_destroy(ehci->qh_pool);
+ ehci->qh_pool = NULL;
+ dma_pool_destroy(ehci->itd_pool);
ehci->itd_pool = NULL;
-
- if (ehci->sitd_pool)
- dma_pool_destroy (ehci->sitd_pool);
+ dma_pool_destroy(ehci->sitd_pool);
ehci->sitd_pool = NULL;
if (ehci->periodic)