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authorMarkus Elfring <elfring@users.sourceforge.net>2015-11-16 19:01:44 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2015-12-01 14:26:33 -0800
commita7a19d7ab6f7b683e08ef25fd0fd673d5b09776e (patch)
treebe6fc051f949549c1967003dac870384314ff122 /drivers/usb/host/ehci-mem.c
parent84c1eeb02353ffcafe039e892410cad835334ba9 (diff)
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>
Diffstat (limited to 'drivers/usb/host/ehci-mem.c')
-rw-r--r--drivers/usb/host/ehci-mem.c18
1 files changed, 5 insertions, 13 deletions
diff --git a/drivers/usb/host/ehci-mem.c b/drivers/usb/host/ehci-mem.c
index b6205fac3567..4de43011df23 100644
--- a/drivers/usb/host/ehci-mem.c
+++ b/drivers/usb/host/ehci-mem.c
@@ -128,21 +128,13 @@ static void ehci_mem_cleanup (struct ehci_hcd *ehci)
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)