diff options
| author |   Markus Elfring <elfring@users.sourceforge.net> | 2015-11-16 19:01:44 +0100 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-12-01 14:26:33 -0800 |
| commit | a7a19d7ab6f7b683e08ef25fd0fd673d5b09776e (patch) | |
| tree | be6fc051f949549c1967003dac870384314ff122 /drivers/usb/host/ehci-mem.c | |
| parent | usb : replace dma_pool_alloc and memset with dma_pool_zalloc (diff) | |
| download | linux-dev-a7a19d7ab6f7b683e08ef25fd0fd673d5b09776e.tar.xz linux-dev-a7a19d7ab6f7b683e08ef25fd0fd673d5b09776e.zip | |
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.c | 18 |
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) |