From: Salil Kapur <salilkapur93@gmail.com>
Date: Mon, 6 Aug 2018 04:28:08 +0000 (-0700)
Subject: USB: Removing NULL check for pool since dma_pool_destroy is safe
X-Git-Tag: v4.20-rc1~109^2~114
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=71741bd6776aff40bc6e57d458a65d7e41190274;p=thirdparty%2Fkernel%2Flinux.git

USB: Removing NULL check for pool since dma_pool_destroy is safe

Removing NULL check for pool since dma_pool_destroy is safe

Signed-off-by: Salil Kapur <salilkapur93@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/usb/core/buffer.c b/drivers/usb/core/buffer.c
index 77eef8acff94e..f641342cdec09 100644
--- a/drivers/usb/core/buffer.c
+++ b/drivers/usb/core/buffer.c
@@ -101,12 +101,8 @@ void hcd_buffer_destroy(struct usb_hcd *hcd)
 		return;
 
 	for (i = 0; i < HCD_BUFFER_POOLS; i++) {
-		struct dma_pool *pool = hcd->pool[i];
-
-		if (pool) {
-			dma_pool_destroy(pool);
-			hcd->pool[i] = NULL;
-		}
+		dma_pool_destroy(hcd->pool[i]);
+		hcd->pool[i] = NULL;
 	}
 }