linux-kernel - [PATCH 02/11] fsl_usb2_udc: Remove check for udc == NULL in dr_controller

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Date:	Tue, 12 Aug 2008 15:39:08 +0100
From:	Will Newton <will.newton@...tec.com>
To:	gregkh@...e.de
Cc:	linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org,
	leoli@...escale.com, Will Newton <will.newton@...tec.com>
Subject: [PATCH 02/11] fsl_usb2_udc: Remove check for udc == NULL in dr_controller_setup.

Remove check for udc == NULL in dr_controller_setup. All callers of
this function have already dereferenced udc at some point.

Signed-off-by: Will Newton <will.newton@...il.com>
Acked-by: Li Yang <leoli@...escale.com>
---
 drivers/usb/gadget/fsl_usb2_udc.c |    4 ----
 1 files changed, 0 insertions(+), 4 deletions(-)

diff --git a/drivers/usb/gadget/fsl_usb2_udc.c b/drivers/usb/gadget/fsl_usb2_udc.c
index 6a927da..47d6c92 100644
--- a/drivers/usb/gadget/fsl_usb2_udc.c
+++ b/drivers/usb/gadget/fsl_usb2_udc.c
@@ -185,10 +185,6 @@ static int dr_controller_setup(struct fsl_udc *udc)
 	unsigned long timeout;
 #define FSL_UDC_RESET_TIMEOUT 1000
 
-	/* before here, make sure dr_regs has been initialized */
-	if (!udc)
-		return -EINVAL;
-
 	/* Stop and reset the usb controller */
 	tmp = fsl_readl(&dr_regs->usbcmd);
 	tmp &= ~USB_CMD_RUN_STOP;
-- 
1.5.5.2

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