Commit 086ed9a0 authored Dec 13, 2013 by Lee Jones Committed by Felipe Balbi Dec 17, 2013

usb: musb: ux500_dma: fix potential NULL dereference error



static checker warning: "drivers/usb/musb/ux500_dma.c:335
ux500_dma_controller_start()
         error: potential NULL dereference 'param_array'."

Acked-by: Linus Walleij <linus.walleij@linaro.org>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>

parent 5056ee83

drivers/usb/musb/ux500_dma.c

+3 −1

Original line number	Diff line number	Diff line
		@@ -336,7 +336,9 @@ static int ux500_dma_controller_start(struct ux500_dma_controller *controller)
		data ?
		data->dma_filter :
		NULL,
		param_array[ch_num]);
		param_array ?
		param_array[ch_num] :
		NULL);

		if (!ux500_channel->dma_chan) {
		ERR("Dma pipe allocation error dir=%d ch=%d\n",