Commit 1d3e773a authored Nov 02, 2018 by Chengguang Xu Committed by Greg Kroah-Hartman Nov 07, 2018

usb: host: remove unnecessary condition check



dma_pool_destroy() can handle NULL pointer correctly, so there is
no need to check NULL pointer before calling dma_pool_destroy().

Signed-off-by: Chengguang Xu <cgxu519@gmx.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent 157c0f2f

drivers/usb/host/ohci-mem.c

+4 −8

Original line number	Diff line number	Diff line
		@@ -57,15 +57,11 @@ static int ohci_mem_init (struct ohci_hcd *ohci)

		static void ohci_mem_cleanup (struct ohci_hcd *ohci)
		{
		if (ohci->td_cache) {
		dma_pool_destroy(ohci->td_cache);
		ohci->td_cache = NULL;
		}
		if (ohci->ed_cache) {
		dma_pool_destroy(ohci->ed_cache);
		ohci->ed_cache = NULL;
		}
		}

		/-------------------------------------------------------------------------/

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