Commit 48e7bbbb authored Oct 16, 2020 by Ran Wang Committed by Felipe Balbi Oct 27, 2020

usb: gadget: fsl: fix null pointer checking



fsl_ep_fifo_status() should return error if _ep->desc is null.

Fixes: 75eaa498 (“usb: gadget: Correct NULL pointer checking in fsl gadget”)
Reviewed-by: Peter Chen <peter.chen@nxp.com>
Signed-off-by: Ran Wang <ran.wang_1@nxp.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>

parent 0d66e048

drivers/usb/gadget/udc/fsl_udc_core.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -1051,7 +1051,7 @@ static int fsl_ep_fifo_status(struct usb_ep *_ep)
		u32 bitmask;
		struct ep_queue_head *qh;

		if (!_ep \|\| _ep->desc \|\| !(_ep->desc->bEndpointAddress&0xF))
		if (!_ep \|\| !_ep->desc \|\| !(_ep->desc->bEndpointAddress&0xF))
		return -ENODEV;

		ep = container_of(_ep, struct fsl_ep, ep);

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