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: NLinus Walleij <linus.walleij@linaro.org> Reported-by: NDan Carpenter <dan.carpenter@oracle.com> Signed-off-by: NLee Jones <lee.jones@linaro.org> Signed-off-by: NFelipe Balbi <balbi@ti.com>
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